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# Math Jams Archive

### AoPS Spring Classes Math Jam

Instructor: Deven WareDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming AoPS online courses. We'll work through a few sample problems, discuss how the courses work, and answer questions about the courses.

### Math Without Numbers - Infinity

Instructor: AoPS StaffDifficulty Level: 2

Is anything bigger than infinity? What about infinity plus one? Guest speaker Milo Beckman, NYC Math Team alum and author of the newly-released book Math Without Numbers, will lead a discussion on one of the most peculiar and surprising topics in modern math: infinite cardinalities. We'll talk about what it really means for a quantity to be "bigger" than another, and use that knowledge to test out some different things that might be bigger than infinity. (And we won't be using any numbers.)

### MATHCOUNTS Practice Competition #3 Discussion

Instructor: AoPS StaffDifficulty Level: 3

AoPS instructors will discuss problems from MATHCOUNTS Practice Competition #3, available to registered students on the AoPS Contest Platform. All are welcome!

### Dream Sequence - A Text Adventure

Instructor: Mark RichardDifficulty Level: 0

Play against a computer (beep boop!, its name is mrichard) in a live text adventure! You're caught in a dream world, and you really need to find a bathroom. By issuing commands to the computer, everyone in this math jam determines how the game will go, trying to navigate the map as a group. Will you solve the puzzles and wake up in time? Open to anyone who likes games and puzzles!

### North American Computational Linguistics Open Competition (NACLO) Discussion

Instructor: AoPS StaffDifficulty Level: 0

Pranav Krishna will be discussing North American Computational Linguistics Open Competition (NACLO), the national competition for qualifying for the IOL (International Linguistics Olympiad). Problems require participants to decipher the structure of another language, and any central phenomena the problem writer wanted to highlight. While it is only tangentially related to mathematics, there have been those with notable accomplishments in math who have also done well in the NACLO and IOL.

### MATHCOUNTS Practice Competition #2 Discussion

Instructor: AoPS StaffDifficulty Level: 3

AoPS instructors will discuss problems from MATHCOUNTS Practice Competition #2, available to registered students on the AoPS Contest Platform. All are welcome!

### 2020 AMC 8 Discussion

Instructor: AoPS StaffDifficulty Level: 3

AoPS instructors will discuss problems from the 2020 AMC 8 contest, administered November 10-16, 2020.

### The Spirit of Ramanujan

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructor David Patrick will discuss the Spirit of Ramanujan Talent Initiative. We will discuss Ramanujan's life and some of the mathematics that he produced, and we will discuss the SoR program and how to apply. AoPS is a partner of SoR in 2020-21. We will be joined by Professor Ken Ono of the University of Virginia, who is the Director of the SoR program and was an associate producer and mathematical consultant for *The Man Who Knew Infinity*, a feature film about Ramanujan starring Dev Patel.

### Amherst College Info Session

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Dean of Admission and Financial Aid at Amherst College, and Nathan Pflueger, math professor at Amherst College, will host an info session exploring both Amherst College specifically and liberal arts colleges generally. Topics include opportunities in math, the admission process, and financial aid for both US and international students.

### MATHCOUNTS Practice Competition #1 Discussion

Instructor: AoPS StaffDifficulty Level: 3

AoPS instructors will discuss problems from MATHCOUNTS Practice Competition #1, available to registered students on the AoPS Contest Platform. All are welcome!

### NOVID: Using Math to fight COVID

Instructor: Po-Shen LohDifficulty Level: 1

COVID ruined 2020, but math can help! Do you want to help to bring your part of the world back towards normalcy? Math teams around the country are helping to develop a completely new approach to contact tracing to help make school reopening safer, using graph theory. Po-Shen Loh will talk about the NOVID app, which acts like a "COVID radar." For each positive case, instead of just asking the direct contacts to quarantine, NOVID tells everyone how many relationships away the case was (so "2" is a contact of a contact). This lets people actively avoid getting sick. This session will be an Ask-Me-Anything style interactive discussion about how this math-powered system works, so that interested students can have the understanding to bring this innovation to their communities.

### USAMTS Round 1 Math Jam

Instructor: Brian EdwardsDifficulty Level: 6

USAMTS staff discuss the problems from round 1 of the USAMTS. Round 1 is available from September 10th through October 19th. Round 2 of USAMTS will be available on October 23rd.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

Po-Shen Loh will co-host a free-ranging AMA-style chat, themed around the college which won the 2016 Putnam Mathematical Competition: Carnegie Mellon University. When not math professoring at CMU, Po-Shen leads Expii and the USA International Math Olympiad team. Join them live to discuss the excitement which is brewing in Pittsburgh. He will be joined by John Mackey (Teaching Professor of Mathematics and Computer Science), Anil Ada (Associate Teaching Professor of Computer Science), and Bradley Oliver.

### MIT Math Jam

Instructor: Chris PetersonDifficulty Level: 0

Chris Peterson, Senior Assistant Director of Admissions at MIT, will discuss life at MIT and the admissions process. He will be accompanied by Evan Chen, an MIT math alumnus from the class of 2018 and a coach of the USA International Math Olympiad team.

### Rabbits, Dynamics, and Chaos

Instructor: AoPS StaffDifficulty Level: 3

How do mathematicians go about modeling the real world? In this Math Jam, we'll explore some basic models of population growth, using rabbits as our inspiration. We'll also see how a simple model launches us into a wildly unpredictable world, then learn how a mathematician defines chaos.

### AoPS Fall Classes Math Jam

Instructor: AoPS StaffDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming AoPS online courses. We'll work through a few sample problems, discuss how the courses work, and answer questions about the courses.

### What's Next after Beast Academy?

Instructor: AoPS StaffDifficulty Level: 2

This Math Jam is for students who are close to finishing Beast Academy and getting ready to start Prealgebra 1. We'll work through some prealgebra problems, introduce you to the AoPS Online classroom, and then answer your questions about the class.

### PhysicsWOOT Physics Jam

Instructor: AoPS StaffDifficulty Level: 0

Art of Problem Solving instructors discuss PhysicsWOOT (Physics Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills in physics.

### ChemWOOT Chem Jam

Instructor: AoPS StaffDifficulty Level: 0

Art of Problem Solving instructors discuss ChemWOOT (Chemistry Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills in chemistry.

### WOOT Math Jam

Instructor: AoPS StaffDifficulty Level: 0

Art of Problem Solving instructors discuss WOOT (Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills.

### CMC Event: Q&A with Evan Chen

Instructor: Evan ChenDifficulty Level: 0

As an event for the Cyberspace Mathematical Competition (CMC), Evan Chen will host a free-ranging AMA-style chat. Evan Chen (aka v_Enhance) is a Math PhD student at MIT, the author of an extraordinarily influential book on olympiad geometry, a former IMO gold medalist, and a current contributor to a large number of math olympiads.

### CMC Event: Q&A with Alon Amit

Instructor: TBADifficulty Level: 0

As an event for the Cyberspace Mathematical Competition (CMC), Alon Amit will host a free-ranging AMA-style chat. Alon Amit (aka randomgraph) is the most widely-read math answerer on Quora, and one of the best math expositors on the planet. Among his most famous "answers" is a discussion of IMO 1988/6 and a deep dive into what Euler's equation really means.

### Number Theory Games

Instructor: AoPS StaffDifficulty Level: 6

There's a certain class of 2-player games that can be analyzed with techniques from number theory. In this Math Jam, we’ll teach you these games and the strategies you'll need to defeat your friends! We’ll also demonstrate some surprising connections between these games and concepts like Fibonacci numbers, the Euclidean algorithm, and the golden ratio.

### Hidden Gems in Algebra

Instructor: AoPS StaffDifficulty Level: 7

Although tens of thousands of problems have appeared in math competitions, some stand out more than others. The best problems contain beautiful ideas that truly showcase the power of mathematics. Many of these questions are well-known within the contest math community and have been passed down for years. But some have not. In this math jam, we'll explore some Algebra problems that fall into this category.

### Tribute to John Conway

Instructor: AoPS StaffDifficulty Level: 3

John Horton Conway (1937-2020) was not only one of the greatest mathematicians of the last century, but he also had a passion for getting others to share his excitement for math. A lover of all things games and math, his contributions will have a lasting impact. Join us as we dive into just a few of the many, many mathematical results that Conway achieved. All of the topics we'll discuss will be accessible to beginning problem solvers with a basic knowledge of introductory-level algebra and plane geometry.

### AIME Problem Writer Panel

Instructor: AoPS StaffDifficulty Level: 4

Answer your questions about problem writing, the AIME, and math contests in general.

### 2020 AOIME Discussion

Instructor: AoPS StaffDifficulty Level: 8

AoPS Instructors will discuss all 15 problems on the 2020 American Online Invitational Mathematical Exam (AOIME). Learn more about the AOIME here.

### Using Math to Make Good Choices

Instructor: AoPS StaffDifficulty Level: 2

We'll discuss problems that involving making choices. Some examples are:

* How to fairly divide a cake among a group of people

* How to split rent among roommates

* How to run an election with multiple candidates

* How to fairly divide an inheritance among heirs

* How to divide a group of people into partners without anyone's feelings getting hurt

### Problems from the Putnam Competition

Instructor: AoPS StaffDifficulty Level: 8

The William Lowell Putnam Competition is an annual math contest for undergraduate students held on the first Saturday of December. While most Putnam problems require calculus, linear algebra, or more advanced mathematics, there are several good Putnam problems that don't require anything beyond high-school math and effective problem solving. In this Math Jam, we'll solve a few such Putnam problems.

### Number Theory Excursions from the AMC 8

Instructor: AoPS StaffDifficulty Level: 3

AoPS Instructors will explore number theory problems from past AMC 8 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top middle school math contests.

### The Millennium Prize Problems

Instructor: AoPS StaffDifficulty Level: 6

In 2000, the Clay Mathematics Institute (CMI) designated seven "Millennium Prize Problems". These were the greatest unsolved math problems at the end of the 20th century. CMI established a $1 million prize for a solution to any of them. In this Math Jam, we'll discuss the seven problems, including one (the "Poincaré Conjecture") that has already been solved, with particular focus on two of the unsolved problems: the "P vs. NP Problem" and the "Riemann Hypothesis".

### The World’s Largest Countdown Round

Instructor: Deven WareDifficulty Level: 3

As part of MATHCOUNTS Week, AoPS will host the biggest Countdown Round in MATHCOUNTS history.

### State Competition Review Math Jam with Richard Rusczyk

Instructor: Richard RusczykDifficulty Level: 3

As part of MATHCOUNTS Week, Art of Problem Solving’s Richard Rusczyk and David Patrick will discuss how to solve some of the toughest problems from the 2020 State MATHCOUNTS competition.

### Mathcamp 2020 Qualifying Quiz Math Jam

Instructor: Marisa DebowskyDifficulty Level: 5

This Math Jam will discuss solutions to the 2020 Mathcamp Qualifying Quiz. Mathcamp is an intensive 5-week-long summer program for mathematically talented high school students. More than just a summer camp, Mathcamp is a vibrant community, made up of a wide variety of people who share a common love of learning and passion for mathematics.

### Open Discussion with Richard Rusczyk

Instructor: Richard RusczykDifficulty Level: 0

Art of Problem Solving founder and CEO Richard Rusczyk hosts an Ask Me Anything-style chat. Richard will answer questions on a wide variety of topics, such as why he’s so passionate about math education, what it’s been like founding and running AoPS, what kinds of projects we currently have in the works, and many more.

### AoPS Summer Classes Math Jam

Instructor: AoPS StaffDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming AoPS online courses. We'll work through a few sample problems, discuss how the courses work, and answer questions about the courses.

### How To Park Your Car

Instructor: AoPS StaffDifficulty Level: 7

We'll explore three problems that involve parking cars. The first is a counting problem that often appears (in some form) on high-school-level contests. The second will lead to an exploration of something called a "parking function". And the third will lead us to the mysterious "Rényi Parking Constant".

### Geometry Excursions from the AMC 8

Instructor: AoPS StaffDifficulty Level: 3

AoPS Instructors will explore geometry problems from past AMC 8 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top middle school math contests.

### 2 = 1 + 1 and other compositions

Instructor: AoPS StaffDifficulty Level: 3

We'll uncover a few of the myriad patterns that can be found in simple addition, and apply Stone Age mathematical tools to explain some of them. Along the way we will learn and use some very powerful problem-solving strategies.

### Counting and Probability Excursions from the AMC 8

Instructor: AoPS StaffDifficulty Level: 3

AoPS Instructors will explore counting and probability problems from past AMC 8 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top middle school math contests.

### MathILy and MathILy-Er Math Jam: Foury, Fourier, Fouriest Transformations

Instructor: sarah-marie belcastroDifficulty Level: 5

AoPS Instructor and MathILy Director dr. sarah-marie belcastro leads students in exploration of Foury Transformations and answers questions about the MathILy and MathILy-Er summer programs.

### Relativity and Momentum: Introduction to Thinking Like Physicist

Instructor: AoPS StaffDifficulty Level: 5

In this introductory-level physics jam, we study several tools in the physicist's toolkit, including the relativity principle, time reversibility, momentum, and symmetry arguments. This lets us solve quite a few interesting problems without knowing lots of physics background, and gives a glimpse into what it means to approach problems like a physicist. Students should have a background in algebra for this physics jam, but do not need prior experience with physics.

### Algebra Excursions from the AMC 8

Instructor: AoPS StaffDifficulty Level: 3

AoPS Instructors will explore Algebra problems from past AMC 8 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top middle school math contests.

### Prime Numbers and the abc Conjecture

Instructor: AoPS StaffDifficulty Level: 6

AoPS instructors will explore some of the known and unknown properties of prime numbers, leading up to the mysterious "abc Conjecture", an important problem in number theory that recently had a controversial "proof" accepted for publication. We'll start with a picture that AoPS author Dave Patrick has on one of his T-shirts, and end with some math that (to quote a mathematician in the New York Times) "feels like you're reading something from outer space".

### Number Theory Excursions from the AMC 10

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will explore interesting number theory problems from past AMC 10 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top high school math contests.

### Finding Order in Chaos

Instructor: AoPS StaffDifficulty Level: 7

AoPS Instructors will explore problems focused on one central idea: If we look at structures which are large enough, some kind of order is sure to exist within them, no matter how chaotic they are. This Math Jam is aimed at students in our Intermediate, Advanced, and WOOT courses. There are no prerequisites for this math jam, though some exposure to sets and the Pigeonhole Principle will help.

### Geometry Excursions from the AMC 10

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will explore interesting geometry problems from past AMC 10 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top high school math contests.

### Number Theory with Frogs

Instructor: AoPS StaffDifficulty Level: 3

AoPS Instructors will explore several interesting topics in Number Theory using a fun context of frogs hopping along lily pads in a river. No previous experience with Number Theory is necessary.

### Counting and Probability Excursions from the AMC 10

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will explore interesting counting and probability problems from past AMC 10 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top high school math contests.

### How to Tile a Bathroom Floor

Instructor: AoPS StaffDifficulty Level: 2

What does tiling a bathroom floor have to do with math? In this Math Jam hosted by AoPS instructors, we'll work together to explore a mathematical question raised by thinking about what connections there might be here. This Math Jam is aimed at students getting ready to take or currently taking our Prealgebra and Introduction to Algebra classes, and are interested in how people come to discover mathematical ideas. No prior experience with tiling bathrooms is necessary.

### Algebra Excursions from the AMC 10

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will explore interesting algebra problems from past AMC 10 exams. No experience with the AMC is necessary and we will be studying general math skills through high-quality problems from top middle school math contests.

### 2020 AIME I Discussion

Instructor: AoPS StaffDifficulty Level: 8

AoPS Instructors will discuss all 15 problems on the 2020 AIME I.

### Research Experiences for Undergraduates (and MathILy-EST in particular) Math Jam

Instructor: sarah-marie belcastroDifficulty Level: 0

Come learn about REUs in general, and specifically the MathILy-EST REU! After giving an overview, dr. sarah-marie belcastro, lead person on the NSF MathILy-EST REU grant, and Dr. Hannah Alpert, research supervisor for the 2020 MathILy-EST REU, will answer your questions.

### Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Marisa Debowsky, Canada/USA Mathcamp's Executive Director, describes the Mathcamp summer program for high school math students.

### 2020 AMC 10/12 B Discussion

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 B, administered February 5. We will discuss the last 5 problems on each test.

### 2020 AMC 10/12 A Discussion

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 A, administered January 30. We will discuss the last 5 problems on each test.

### AoPS Spring Classes Math Jam

Instructor: Deven WareDifficulty Level: 2

### The Spirit of Ramanujan

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructor David Patrick will discuss the Spirit of Ramanujan Talent Initiative. We will discuss Ramanujan's life and some of the mathematics that he produced, and we will discuss the SoR program and how to apply. AoPS is a partner of SoR in 2019-20. We will be joined by Professor Ken Ono of the University of Virginia, who is the Director of the SoR program and was an associate producer and mathematical consultant for *The Man Who Knew Infinity*, a feature film about Ramanujan starring Dev Patel.

### USAMTS Round 2 Math Jam

Instructor: Brian EdwardsDifficulty Level: 7

USAMTS staff will discuss the problems from round 2 of the USAMTS. Round 2 is available from October 18th through December 2nd. Round 3 will be available on December 5th.

### 2019 AMC 8 Discussion

Instructor: AoPS StaffDifficulty Level: 3

AoPS instructors will discuss problems from the 2019 AMC 8 contest, administered November 12-18, 2019.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

Po-Shen Loh will co-host a free-ranging AMA-style chat, themed around the college which won the 2016 Putnam Mathematical Competition: Carnegie Mellon University. He will be joined by John Mackey (Teaching Professor of Mathematics and Computer Science), Anil Ada (Associate Teaching Professor of Computer Science), and Bradley Oliver (Assistant Director of Admission). When not math professoring at CMU, Po-Shen leads Expii and the USA International Math Olympiad team. Join them live to discuss the excitement which is brewing in Pittsburgh.

### Amherst College Info Session

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Dean of Admission and Financial Aid at Amherst College, and Nathan Pflueger, math professor at Amherst College, will host an info session exploring both Amherst College specifically and liberal arts colleges generally. Topics include opportunities in math, the admission process, and financial aid for both US and international students.

### USAMTS Round 1 Math Jam

Instructor: Brian EdwardsDifficulty Level: 6

USAMTS staff discuss the problems from round 1 of the USAMTS. Round 1 is available from September 5th through October 15th. Round 2 of USAMTS will be available on October 18th.

### Who Wants to Be a Mathematician, Round 2

Instructor: Dave PatrickDifficulty Level: 6

AoPS instructor David Patrick will discuss the problems on Round 2 of qualifying for the 2019-20 Who Wants to Be a Mathematician Championship. We will be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the Championship finals, to be held in Denver in January 2020.

### MIT Math Jam

Instructor: Chris PetersonDifficulty Level: 0

Chris Peterson, Senior Assistant Director of Admissions at MIT, will discuss life at MIT and the admissions process. He will be accompanied by Evan Chen, an MIT math alumnus from the class of 2018.

### Who Wants to Be a Mathematician, Round 1

Instructor: Dave PatrickDifficulty Level: 6

AoPS instructor David Patrick will discuss the problems on Round 1 of qualifying for the 2019-20 Who Wants to Be a Mathematician Championship. We will be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the Championship finals, to be held in Denver in January 2020.

### Who Wants to Be a Mathematician Discussion

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructor David Patrick will discuss the 2019-20 Who Wants to Be a Mathematician Championship contest. WWTBAM is a free(!) contest sponsored by the American Mathematical Society in which high school students compete for cash and prizes. Round 1 of qualifying for the contest will take place September 9-26, 2019, so this is your chance to learn about the contest, the type of problems that appear, and how to participate. We will be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the Championship finals, to be held in Denver in January 2020.

### Self-Paced Math Jam

Instructor: Deven WareDifficulty Level: 0

Our new self-paced Prealgebra 2 course opens on August 27. In this Math Jam, our curriculum developers are available to answer all of your questions about both the new class format and the two courses with this option: Prealgebra 1 and Prealgebra 2.

### AoPS Fall Classes Math Jam

Instructor: Deven WareDifficulty Level: 2

### ChemWOOT Chem Jam

Instructor: Deven WareDifficulty Level: 0

Art of Problem Solving instructors discuss ChemWOOT (Chemistry Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills in chemistry.

### PhysicsWOOT Physics Jam

Instructor: Mark EichenlaubDifficulty Level: 0

Art of Problem Solving instructors discuss PhysicsWOOT (Physics Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills in physics.

### WOOT Math Jam

Instructor: Palmer MebaneDifficulty Level: 0

Art of Problem Solving instructors discuss WOOT (Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills.

### Self-Paced Prealgebra 1 Math Jam

Instructor: Deven WareDifficulty Level: 2

Interested in taking our new self-paced Prealgebra 1 course? This Math Jam will cover all the questions you might have about the course before class access begins on June 4th. We'll discuss how this new class format works, and then answer questions about the course.

### AoPS Summer Classes Math Jam

Instructor: Deven WareDifficulty Level: 2

### What's Next after Beast Academy?

Instructor: Deven WareDifficulty Level: 2

This Math Jam is for students who are close to finishing Beast Academy and getting ready to start Prealgebra 1. We'll work through some prealgebra problems, introduce you to the AoPS Online classroom, and then answer your questions about the class.

### Mathcamp 2019 Qualifying Quiz Math Jam

Instructor: Marisa DebowskyDifficulty Level: 5

This Math Jam will discuss solutions to the 2019 Mathcamp Qualifying Quiz. Mathcamp is an intensive 5-week-long summer program for mathematically talented high school students. More than just a summer camp, Mathcamp is a vibrant community, made up of a wide variety of people who share a common love of learning and passion for mathematics.

### 2019 USA(J)MO Discussion

Instructor: Evan ChenDifficulty Level: 10

Evan Chen, one of the coaches of the USA IMO team, will discuss selected problems from the 2019 USA Math Olympiad.

### F=ma Problem Series Physics Jam

Instructor: Mark EichenlaubDifficulty Level: 5

The upcoming AoPS F=ma course takes students with a grounding in basic mechanics and prepares them for the F=ma exam, the first round in the selection process for the US Physics team which travels to the International Physics Olympiad. In this session, we'll solve a practice problem collaboratively to demonstrate how the F=ma class sessions will work. Then there will be an open Q&A period for all your questions about this class.

### MathILy-EST (and other Research Experiences for Undergraduates) Math Jam

Instructor: sarah-marie belcastroDifficulty Level: 0

dr. sarah-marie belcastro, Principal Investigator on the NSF MathILy-EST REU grant, describes the MathILy-EST REU and answers questions about REUs in general.

### 2019 AIME II Discussion

Instructor: Deven WareDifficulty Level: 8

AoPS Instructors will discuss all 15 problems on the 2019 AIME II.

### AwesomeMath Summer Program Math Jam

Instructor: Kathy CordeiroDifficulty Level: 0

Come and chat with the camp directors to learn about both the academic and residential sides of the camp, admissions, and any other questions you may have regarding the program.

### MathILy and MathILy-Er Math Jam: Views of the N-Cube

Instructor: sarah-marie belcastroDifficulty Level: 5

AoPS Instructor and MathILy Director dr. sarah-marie belcastro leads students in exploration of the N-cube and answers questions about {MathILy, MathILy-Er}.

### 2019 AIME I Discussion

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS Instructors will discuss all 15 problems on the 2019 AIME I.

### Open Discussion with Richard Rusczyk

Instructor: Richard RusczykDifficulty Level: 0

Art of Problem Solving founder and CEO Richard Rusczyk hosts an Ask Me Anything-style chat. Richard will answer questions on a wide variety of topics, such as why he’s so passionate about math education, what it’s been like founding and running AoPS, what kinds of projects we currently have in the works, and many more.

### Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Marisa Debowsky, Canada/USA Mathcamp's Executive Director, describes the Mathcamp summer program for high school math students.

### 2019 AMC 10/12 B Discussion

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 B, administered February 13. We will discuss the last 5 problems on each test.

### 2019 AMC 10/12 A Discussion

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 A, administered February 7. We will discuss the last 5 problems on each test.

### MIT PRIMES/AoPS CrowdMath

Instructor: Jesse GenesonDifficulty Level: 10

CrowdMath mentors will talk about what the MIT PRIMES/AoPS CrowdMath project is all about, and discuss math related to the 2019 topic: Graph Coloring.

### AoPS Spring Classes Math Jam

Instructor: Deven WareDifficulty Level: 2

### 2018 AMC 8 Discussion

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructors will discuss problems from the 2018 AMC 8 contest, administered November 13-19, 2018.

### Amherst College Info Session

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Dean of Admission and Financial Aid at Amherst College, and Nathan Pflueger, math professor at Amherst College, will host an info session exploring both Amherst College specifically and liberal arts colleges generally. Topics include opportunities in math, the admission process, and financial aid for both US and international students.

### The Spirit of Ramanujan

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructor David Patrick will discuss the Spirit of Ramanujan Talent Initiative. We will discuss Ramanujan's life and some of the mathematics that he produced, and we will discuss the SoR program and how to apply. AoPS is a partner of SoR in 2018-19. We will be joined by Professor Ken Ono of Emory University, who is the Director of the SoR program and was an associate producer and mathematical consultant for *The Man Who Knew Infinity*, a feature film about Ramanujan starring Dev Patel.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

Po-Shen Loh will co-host a free-ranging AMA-style chat, themed around the college which won the 2016 Putnam Mathematical Competition: Carnegie Mellon University. He will be joined by John Mackey (Teaching Professor of Mathematics and Computer Science). When not math professoring at CMU, Po-Shen leads Expii and the USA International Math Olympiad team. Join them live to discuss the excitement which is brewing in Pittsburgh.

### Who Wants to Be a Mathematician, Round 2

Instructor: Dave PatrickDifficulty Level: 6

AoPS instructor David Patrick will discuss the problems on Round 2 of qualifying for the 2019 Who Wants to Be a Mathematician Championship. We will be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the Championship finals, to be held in Baltimore in January 2019.

### MIT Math Jam

Instructor: Chris PetersonDifficulty Level: 0

Chris Peterson, Senior Assistant Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### Who Wants to Be a Mathematician, Round 1

Instructor: Dave PatrickDifficulty Level: 6

AoPS instructor David Patrick will discuss the problems on Round 1 of qualifying for the 2019 Who Wants to Be a Mathematician Championship. We will be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the Championship finals, to be held in Baltimore in January 2019.

### Who Wants to Be a Mathematician Discussion

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructor David Patrick will discuss the 2019 Who Wants to Be a Mathematician Championship contest. WWTBAM is a free(!) contest sponsored by the American Mathematical Society in which high school students compete for cash and prizes. Round 1 of qualifying for the contest will take place September 10-26, 2018, so this is your chance to learn about the contest, the type of problems that appear, and how to participate. We will be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the Championship finals, to be held in Baltimore in January 2019.

### AoPS Fall Classes Math Jam

Instructor: Deven WareDifficulty Level: 2

### Buoyancy Physics Jam

Instructor: Mark EichenlaubDifficulty Level: 6

AoPS PhysicsWOOT Director and 2016-2018 US Physics Team Coach Dr. Mark Eichenlaub will introduce principles of buoyancy and work through a few example problems.

### ChemWOOT Math Jam

Instructor:Difficulty Level: 0

Art of Problem Solving instructors discuss ChemWOOT (Chemistry Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills in chemistry.

### Physics WOOT Math Jam

Instructor: Mark EichenlaubDifficulty Level: 0

Art of Problem Solving instructors discuss Physics WOOT (Physics Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills in physics.

### WOOT Math Jam

Instructor: Palmer MebaneDifficulty Level: 0

Art of Problem Solving instructors discuss WOOT (Worldwide Online Olympiad Training), our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills.

### Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 0

### Mathcamp 2018 Qualifying Quiz Math Jam

Instructor:Difficulty Level: 5

Mathcamp is an intensive 5-week-long summer program for mathematically talented high school students. More than just a summer camp, Mathcamp is a vibrant community, made up of a wide variety of people who share a common love of learning and passion for mathematics. At Mathcamp, students can explore undergraduate and even graduate-level topics while building problem-solving skills that will help them in any field they choose to study. This Math Jam will discuss solutions to the 2018 Mathcamp Qualifying Quiz.

### OMO Spring 2018 Math Jam

Instructor: Dustin RansomDifficulty Level: 10

Problem authors from the Online Math Open discuss selected problems from OMO Spring 2018. The Online Math Open is a free, online math contest occurring twice a year, and is available to all middle and high school students. Teams of up to four have 11 days to solve 30 short answer problems, which range from easy AMC level to hard Olympiad level.

### MathILy and MathILy-Er Math Jam: Decorative Borders

Instructor: sarah-marie belcastroDifficulty Level: 5

AoPS Instructor and MathILy Director dr. sarah-marie belcastro will lead students in exploration of counting "Decorative Borders" and answer questions about the MathILy and MathILy-Er summer programs.

### 2018 AIME II Discussion

Instructor: Deven WareDifficulty Level: 8

AoPS instructors discuss all 15 problems on the 2018 AIME II.

### AwesomeMath Summer Program Math Jam

Instructor: Kathy CordeiroDifficulty Level: 0

Come and chat with the camp directors to learn about both the academic and residential sides of the camp, admissions, and any other questions you may have regarding the program.

### 2018 AIME I Discussion

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS instructors discuss all 15 problems on the 2018 AIME I.

### 2018 AMC 10/12 B Discussion - Section 1

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 B, administered February 15. We will discuss the last 5 problems on each test.

### 2018 AMC 10/12 B Discussion - Section 2

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 B, administered February 15. We will discuss the last 5 problems on each test.

### Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Marisa Debowsky, Canada/USA Mathcamp's Executive Director, describes the Mathcamp summer program for high school math students.

### 2018 AMC 10/12 A Discussion - Section 2

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 A, administered February 7. We will discuss the last 5 problems on each test.

### 2018 AMC 10/12 A Discussion - Section 1

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 A, administered February 7. We will discuss the last 5 problems on each test.

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Putnam Writer's Panel Discussion

Instructor: Kiran KedlayaDifficulty Level: 0

Kiran Kedlaya will host a panel discussion with some past writers of the Putnam exam. The William Lowell Putnam Mathematical Competition is the premier math competition for undergraduates in the US and Canada. Dr. Kedlaya is a 3-time Putnam Fellow, a co-author of a Putnam compilation volume published by the MAA, and the maintainer of the Putnam Archive. The Panel will discuss problem writing, selection of problems for the exam, and the grading process.

### Fall OMO 2017 Math Jam

Instructor:Difficulty Level: 10

Problem authors from the Online Math Open discuss selected problems from the Fall OMO 2017. The Online Math Open is a free, online math contest occurring twice a year, and is available to all middle and high school students. Teams of up to four have 11 days to solve 30 short answer problems, which range from easy AMC level to hard Olympiad level.

### Who Wants to Be a Mathematician, Round 2

Instructor: Dave PatrickDifficulty Level: 6

AoPS instructor David Patrick will discuss the problems on Round 2 of the 2017-2018 Who Wants to Be a Mathematician national contest. We will also be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the national finals, to be held in San Diego in January 2018.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

Po-Shen Loh will co-host a free-ranging AMA-style chat, themed around the college which won the 2016 Putnam Mathematical Competition: Carnegie Mellon University. Co-hosts are John Mackey (Teaching Professor of Mathematics and Computer Science), Jason Howell (Director of Undergraduate Studies in Mathematics), and Sarah Kochin (Senior Assistant Director of Admission), as well as an epic number of current CMU students: djmathman (David Altizio), EulerMacaroni (Gunmay Handa), hamstertears (Emily Zhu), KryptonHero (Jose Armando Chacon), Longhair343 (Jung Joo Suh), mishai (Misha Ivkov), Cameron Montag, Michael Liang, and Xinyu Wu. When not math professoring at CMU, Po-Shen leads Expii and the USA International Math Olympiad team. Join them live to discuss the excitement which is brewing in Pittsburgh.

### Who Wants to Be a Mathematician, Qualifying Round

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructor David Patrick will discuss the problems on Round 1 of the 2017-2018 Who Wants to Be a Mathematician national contest. We will also be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the national finals, to be held in San Diego in January 2018.

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Who Wants to Be a Mathematician Discussion

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructor David Patrick will discuss the 2017-18 Who Wants to Be a Mathematician national contest. WWTBAM is a free(!) contest sponsored by the American Mathematical Society in which high school students compete for cash and prizes. The qualifying round of the contest will take place in mid-September, so this is your chance to learn about the contest, the type of problems that appear, and how to participate. We will be joined by Mike Breen, the co-creator of the contest and the host of the national finals to be held in San Diego in January 2018.

### ChemWOOT Math Jam

Instructor: Andre CastiauxDifficulty Level: 0

Art of Problem Solving ChemWOOT instructors discuss our Chemistry Worldwide Online Olympiad Training, our 7-month training program for national and international chemistry Olympiads.

### WOOT Math Jam

Instructor: Palmer MebaneDifficulty Level: 0

Art of Problem Solving instructors discuss our Worldwide Online Olympiad Training, our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills.

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Canada/USA Mathcamp Qualifying Quiz Math Jam

Instructor: Marisa DebowskyDifficulty Level: 7

Mathcamp admissions committee members discuss the problems from the 2017 Mathcamp Qualifying Quiz.

### MIT's Society of Women Engineers Math Jam

Instructor: Agni KumarDifficulty Level: 4

MIT's Society of Women Engineers (SWE) will answer questions about life at MIT and finding your path in a field, and then lead the class in solving some puzzles and introductory computer science concepts if time permits.

### OMO Spring Math Jam

Instructor: James LinDifficulty Level: 10

The Online Math Open (OMO) is a free, online math contest occurring twice a year, and is available to all middle and high school students. Teams of up to four have 11 days to solve 30 short answer problems, which range from easy AMC level to hard Olympiad level. For more information about OMO and how to register, please visit this page.

### MathILy and MathILy-Er Math Jam: Multibackwards Numbers

Instructor: sarah-marie belcastroDifficulty Level: 5

AoPS Instructor and MathILy Director dr. sarah-marie belcastro will lead students in exploration of "Multibackwards Numbers" and answer questions about the MathILy and MathILy-Er summer programs.

### 2017 AIME II Discussion

Instructor: Dave PatrickDifficulty Level: 8

AoPS Instructors discuss all 15 problems on the 2017 AIME II .

### AwesomeMath Math Jam

Instructor: Kathy CordeiroDifficulty Level: 0

Alina Andreescu, Operations Director and Co-Founder, and Kathy Cordeiro, Director of Marketing/Communications, will discuss and answer questions about the AwesomeMath summer program.

### 2017 AIME I Discussion

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS Instructors discuss all 15 problems on the 2017 AIME I.

### Albert Ni: Advice from a Successful AoPS Alum

Instructor:Difficulty Level: 0

National MATHCOUNTS champ and USAMO winner Albert Ni shares his observations and advice after working with hundreds of outstanding math and computer science students at MIT and at Dropbox, where he was one of the first half-dozen employees.

### 2017 AMC 10/12 B Discussion

Instructor: AoPS StaffDifficulty Level: 6

AoPS Instructors will discuss problems from the AMC 10/12 B, administered February 15. We will discuss the last 5 problems on each test.

### Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2017 AMC 10/12 A Discussion

Instructor: AoPS StaffDifficulty Level: 6

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Mathcamp Executive Director Marisa Debowsky describes the Mathcamp summer program for high school math students.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

U.S. IMO Team Leader and CMU faculty member Po-Shen Loh will be joined by John Mackey (Teaching Professor of Mathematics and Computer Science), Mark Stehlik (Assistant Dean for Outreach in Computer Science), and Sarah Manganaro (Assistant Director of Admission), to discuss the excitement which is brewing at CMU.

### Online Math Open Math Jam

Instructor: James LinDifficulty Level: 6

James Lin, contest director of the Online Math Open, discusses selected problems from Fall 2016 Contest.

### Who Wants to Be a Mathematician, Round 2

Instructor: Dave PatrickDifficulty Level: 5

AoPS instructor David Patrick will discuss the problems on Round 2 of the 2016-2017 Who Wants to Be a Mathematician national contest. We will also be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the national finals, to be held in Atlanta in January 2017.

### Who Wants to Be a Mathematician, Qualifying Round

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructor David Patrick will discuss the problems on Round 1 of the 2016-2017 Who Wants to Be a Mathematician national contest. We will also be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the national finals, to be held in Atlanta in January 2017.

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### MIT PRIMES/AoPS CrowdMath

Instructor: Ben YangDifficulty Level: 10

CrowdMath mentors discuss the joints problem, a topic from the 2016 CrowdMath program.

### ChemWOOT Math Jam

Instructor: Brian LeeDifficulty Level: 0

Art of Problem Solving ChemWOOT instructors discuss our Chemistry Worldwide Online Olympiad Training, our 7-month training program for national and international chemistry Olympiads.

### WOOT Math Jam

Instructor: Palmer MebaneDifficulty Level: 0

Art of Problem Solving instructors discuss our Worldwide Online Olympiad Training, our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills.

### MIT PRIMES/AoPS CrowdMath

Instructor: Jesse GenesonDifficulty Level: 10

CrowdMath mentors discuss problem topics from the 2016 CrowdMath program.

### AoPS Online School Math Jam

Instructor: Richard RusczykDifficulty Level: 0

Art of Problem Solving founder gives a tour of the AoPS Online School and provides an overview of our status as a University of California a-g approved Online Course Publisher and charter school service vendor.

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Canada/USA Mathcamp Qualifying Quiz Math Jam

Instructor: Marisa DebowskyDifficulty Level: 7

Mathcamp admissions committee members discuss the problems from the 2016 Mathcamp Qualifying Quiz.

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### MathILy and MathILy-Er Math Jam: Foury, Fourier, Fouriest Transformations

Instructor: sarah-marie belcastroDifficulty Level: 5

AoPS Instructor and MathILy Director dr. sarah-marie belcastro leads students in exploration of Foury Transformations and answers questions about the MathILy and MathILy-Er summer programs.

### AwesomeMath Math Jam

Instructor: Kathy CordeiroDifficulty Level: 0

Dr. Titu Andreescu, Executive Director, and Kathy Cordeiro, Director of Marketing/Communications, discuss what's new at the AwesomeMath summer program.

### 2016 AIME II Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2016 AIME II.

### Canada/USA Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Canada/USA Mathcamp Program Director Marisa Debowsky describes the Mathcamp summer program for high school math students.

### 2016 AIME I Math Jam

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2016 AIME I.

### SPARC Math Jam

Instructor: Qiaochu YuanDifficulty Level: 0

SPARC staff describe the Summer Program on Applied Rationality and Cognition for talented high school math and science students.

### 2016 AMC 10/12 B Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 B, which was administered February 17. We will cover the last 5 problems on each test, as well as requested earlier problems on the test. (Note: this date has been updated from the previous date of Feb 22.)

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2016 AMC 10/12 A Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 A, which is administered February 2. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Minerva Math Jam

Instructor: Michael LaiDifficulty Level: 0

Are you interested in living and learning in seven world cities during college and exploring math and problem solving globally? Minerva Dean of Computational Sciences Eric Bonabeau, North American Student Outreach Lead Michael Lai, and current student and Computational Sciences major Roujia Wen will join this MathJam to answer questions about Minerva, a new, accredited university started by a Harvard Dean and Silicon Valley entrepreneur to prepare students to solve complex, global challenges.

### Problems Math Jam

Instructor: Deven WareDifficulty Level: 5

AoPS Instructors present some of their favorite recent problems.

### Who Wants to Be a Mathematician, Round 2

Instructor: Dave PatrickDifficulty Level: 5

AoPS instructor David Patrick will discuss the problems on Round 2 of the 2015-16 Who Wants to Be a Mathematician national contest. We will also be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the national finals, to be held in Seattle in January 2016.

### USAMTS Round 1 Discussion

Instructor: Deven WareDifficulty Level: 6

AoPS Instructor Deven Ware will discuss some of the problems on Round 1 of the 2015-2016 USAMTS.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

U.S. IMO Team Leader and CMU faculty member Po-Shen Loh will join John Mackey (Associate Department Head of Mathematics), Mark Stehlik (Assistant Dean of Computer Science), Nick Hinkle (Senior Assistant Director of Admission), and David Altizio (current CMU student and AoPS 5000+ poster, a.k.a. djmathman) to discuss the excitement which is brewing at CMU.

### Who Wants to Be a Mathematician, Qualifying Round

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructor Dave Patrick will discuss the problems on Round 1 of the 2015-16 Who Wants to Be a Mathematician national contest. We will also be joined by Mike Breen and Bill Butterworth, the creators of the game. Mike is also the host of the national finals, to be held in Seattle in January 2016.

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Stretch Introduction to Algebra A Math Jam

Instructor: Richard RusczykDifficulty Level: 0

Art of Problem Solving instructors explain our upcoming Stretch Introduction to Algebra A class.

### ChemWOOT Math Jam

Instructor: Brian LeeDifficulty Level: 0

Art of Problem Solving ChemWOOT instructors discuss our Chemistry Worldwide Online Olympiad Training, our 7-month training program for national and international chemistry Olympiads.

### Problems Math Jam

Instructor: Deven WareDifficulty Level: 5

AoPS Instructors present some of their favorite recent problems.

### WOOT Math Jam

Instructor: Palmer MebaneDifficulty Level: 0

Art of Problem Solving instructors discuss our Worldwide Online Olympiad Training, our 7-month training program that brings together many of the best students from around the world to learn Olympiad problem solving skills.

### Canada/USA Mathcamp Qualifying Quiz Math Jam, Part 2

Instructor: Halimeda Glickman-HochDifficulty Level: 7

Mathcamp instructors discuss problems #1, #2, and #4 from the 2015 Mathcamp Qualifying Quiz.

### Canada/USA Mathcamp Qualifying Quiz Math Jam, Part 1

Instructor: Alex StarkDifficulty Level: 7

Mathcamp instructors discuss problems #3, #5, and #6 from the 2015 Mathcamp Qualifying Quiz.

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Views of the N-Cube and {MathILy, MathILy-Er} Math Jam

Instructor: sarah-marie belcastroDifficulty Level: 7

AoPS Instructor and MathILy Director dr. sarah-marie belcastro leads students in exploration of the N-cube and answers questions about {MathILy, MathILy-Er}.

### SPARC Summer Program Math Jam

Instructor: Eugene ChenDifficulty Level: 0

SPARC instructors describe the Summer Program on Applied Rationality and Cognition for talented high school math and science students.

### 2015 AIME II Math Jam

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2015 AIME II.

### 2015 AIME I Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2015 AIME I.

### Canada/USA Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Mathcamp Program Director Marisa Debowsky describes the Mathcamp summer program for high school math students.

### 2015 AMC 10/12 B Discussion

Instructor: Dave PatrickDifficulty Level: 6

A discussion of problems from the AMC 10/12 B, which is administered February 25. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2015 AMC 10/12 A Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 A, which is administered February 3. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

U.S. IMO Team Leader and CMU faculty member Po-Shen Loh will join John Mackey (Associate Department Head of Mathematics) and Mor Harchol-Balter (Computer Science Professor) to discuss the excitement which is brewing at CMU.

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### ChemWOOT!

Instructor: Brian LeeDifficulty Level: 0

### WOOT Math Jam

Instructor: Palmer MebaneDifficulty Level: 0

### Canada/USA Mathcamp Qualifying Quiz

Instructor: Marisa DebowskyDifficulty Level: 7

Mathcamp instructors discuss the problems from the 2014 Mathcamp Qualifying Quiz

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2014 AIME II Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2014 AIME II.

### 2014 AIME I Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2014 AIME I.

### Canada/USA Mathcamp Math Jam

Instructor: Marisa DebowskyDifficulty Level: 0

Mathcamp Program Director Marisa Debowsky describes the Mathcamp summer program for high school math students.

### 2014 AMC 10/12 B Discussion

Instructor: Dave PatrickDifficulty Level: 6

A discussion of problems from the AMC 10/12 B, which is administered February 19. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### AoPS Spring Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### University of Chicago Math Jam

Instructor: Mark J. KubaczykDifficulty Level: 0

Members of the University of Chicago's world-renowned Mathematics Department and Admissions Counselor and alumnus Mark Kubaczyk team up to discuss academic and social life and the admissions process at UChicago.

### 2014 AMC 10/12 A Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 A, which is administered February 4. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### Duke University Math Jam

Instructor: Lenny NgDifficulty Level: 0

Two Duke University faculty members, three-time IMO medalist and three-time Putnam fellow Lenny Ng and Associate Professor David Kraines, will join a senior member of the admissions office and current Duke undergrads to discuss opportunities, academics, life, and admissions at Duke.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

U.S. IMO Team Leader and CMU faculty member Po-Shen Loh will join John Mackey (Associate Department Head of Mathematics), Klaus Sutner (Associate Dean of Computer Science), and Boris Bukh (Assistant Professor of Mathematics), together with Assistant Director of Admission Meg Ryan, to discuss the excitement which is brewing at CMU.

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### AoPS Fall Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### ChemWOOT!

Instructor: Jacob SandersDifficulty Level: 0

Art of Problem Solving ChemWOOT instructors discuss our Chemistry Worldwide Online Olympiad Training, our 7-month training program for national and international chemistry olympiads.

### WOOT!

Instructor: Palmer MebaneDifficulty Level: 0

### Where Are They Now: MATHCOUNTS Champ Albert Ni

Instructor: Albert NiDifficulty Level: 0

MATHCOUNTS champ, USAMO winner, and one of the very first AoPSers, Albert Ni talks about his path from being a math contest winner a decade ago to his leading role at Dropbox today.

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### AoPS Summer Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2013 AIME II Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2013 AIME II.

### Canada/USA Mathcamp Math Jam

Instructor: Yasha Berchenko-KoganDifficulty Level: 0

Canada/USA Mathcamp instructor and alum Yasha Berchenko-Kogan, and Mathcamp Program Director Marisa Debowsky, describe their summer program for high school math students.

### 2013 AIME I Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2013 AIME I.

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2013 AMC 10/12 B Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 B, which is administered February 20. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2013 AMC 10/12 A Discussion

Instructor: Dave PatrickDifficulty Level: 6

A discussion of problems from the AMC 10/12 A, which is administered February 6. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### Duke University Math Jam

Instructor: Lenny NgDifficulty Level: 0

Two Duke University faculty members, three-time IMO medalist and three-time Putnam fellow Lenny Ng and Associate Professor David Kraines, will join Senior Assistant Director of Admissions Nikki Baskin and current Duke undergrads to discuss opportunities, academics, life, and admissions at Duke.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

US IMO Deputy Team Leader and CMU faculty member Po-Shen Loh will join John Mackey (Associate Department Head of Mathematics) and Mor Harchol-Balter (Computer Science professor and co-founder of Western Pennsylvania ARML team), together with Assistant Director of Admission Mike Kozak, to discuss opportunities, academics, life, and admissions at CMU.

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Director of Admissions at MIT, will discuss life at MIT and the admissions process.

### Stanford University Math Jam

Instructor: Ravi VakilDifficulty Level: 0

Former IMO gold medalist, 4-time Putnam winner, and Stanford mathematics professor Ravi Vakil, and admissions officer David Lazo will discuss math, admissions, and life at Stanford.

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Advanced Kinetics Chemistry Jam

Instructor: Jacob SandersDifficulty Level: 6

2005 and 2007 IChO participants Jacob Sanders and Brian Lee will introduce steady state kinetics and walk through several problems at the olympiad level.

### WOOT!

Instructor: Naoki SatoDifficulty Level: 0

### Canada/USA MathCamp Qualifying Quiz

Instructor: Yasha Berchenko-KoganDifficulty Level: 7

Yasha Berchenko-Kogan will discuss the problems from the 2012 Mathcamp Qualifying Quiz.

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Catherine Asaro on Writing Science Fiction

Instructor: Catherine AsaroDifficulty Level: 0

Nebula Award winning author, math team coach, and Harvard PhD (in chemical physics) Catherine Asaro hosts a discussion of her writing career, which spans nearly two dozen novels. Her novel The Quantum Rose won the prestigious Nebula Award in 2001, and her novella The Spacetime Pool won the Nebula Award in 2008.

### 2012 AIME II Math Jam

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2012 AIME 2.

### 2012 AIME I Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2012 AIME I.

### 2012 AMC 10/12 B Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 B, which is administered February 22. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### 2012 AMC 10/12 A Discussion

Instructor: Dave PatrickDifficulty Level: 6

A discussion of problems from the AMC 10/12 A, which is administered February 7. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### Art of Problem Solving Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

### Group Theory

Instructor: Jeremy CopelandDifficulty Level: 7

AoPS instructors will give a sample of some of the problems from the upcoming Group Theory course.

### Stanford University Math Jam

Instructor: Ravi VakilDifficulty Level: 0

Former IMO gold medalist, 4-time Putnam winner, and Stanford mathematics professor Ravi Vakil, and current Stanford student and 2-time Putnam winner Seok Hyeong Lee will discuss math and life at Stanford.

### Carnegie Mellon Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

US IMO Deputy Team Leader and CMU faculty member Po-Shen Loh will join John Mackey (Associate Department Head of Mathematics) and Klaus Sutner (Associate Dean of Computer Science), together with Assistant Director of Admission Mike Kozak, to discuss opportunities, academics, life, and admissions at CMU.

### Duke University Math Jam

Instructor: Lenny NgDifficulty Level: 0

Two Duke University faculty members, three-time IMO medalist and three-time Putnam fellow Lenny Ng and Associate Professor David Kraines, will join Assistant Director of Admissions Duncan Brook and current Duke undergrads to discuss opportunities, academics, life, and admissions at Duke.

### MIT Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Associate Director of Admissions at MIT, and Kiran Kedlaya, Associate Professor of Mathematics, will discuss MIT and the admissions process.

### AoPS Fall Classes

Instructor: Richard RusczykDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming fall courses. We'll do a few sample problems to give students a feel for how the class discussions work, and then we'll answer questions about the courses.

### AoPS Fall Classes

Instructor: Richard RusczykDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming fall courses. We'll do a few sample problems to give students a feel for how the class discussions work, and then we'll answer questions about the courses.

### WOOT!

Instructor: Naoki SatoDifficulty Level: 0

### AoPS Summer Classes

Instructor: Richard RusczykDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming summer courses. We'll do a few sample problems to give students a feel for how the class discussions work, and then we'll answer questions about the courses.

### AoPS Summer Classes

Instructor: Richard RusczykDifficulty Level: 2

Art of Problem Solving instructors discuss upcoming summer courses. We'll do a few sample problems to give students a feel for how the class discussions work, and then we'll answer questions about the courses.

### Canada/USA Mathcamp Math Jam

Instructor: Dan ZaharopolDifficulty Level: 0

Canada/USA Mathcamp instructor and alum Dan Zaharopol describes their summer program for high school math students.

### 2011 AIME II Math Jam

Instructor: Dave PatrickDifficulty Level: 7

AoPS instructors discuss all 15 problems of the 2011 AIME II.

### 2011 AIME I Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS instructors discuss all 15 problems of the 2011 AIME I.

### 2011 AMC 10/12 B Discussion

Instructor: Jeremy CopelandDifficulty Level: 6

A discussion of problems from the AMC 10/12 B, which is administered February 23. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

AoPS instructors will discuss Art of Problem Solving spring online courses. Sample problems from some of the courses will be discussed. See the School pages for details about the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

AoPS instructors will discuss Art of Problem Solving spring online courses. Sample problems from some of the courses will be discussed. See the School pages for details about the classes.

### 2011 AMC 10/12 A Discussion

Instructor: Dave PatrickDifficulty Level: 6

A discussion of problems from the AMC 10/12 A, which is administered February 8. We will cover the last 5 problems on each test, as well as requested earlier problems on the tests.

### Duke University Math Jam

Instructor: Lenny NgDifficulty Level: 0

Two Duke University faculty members, three-time IMO medalist and three-time Putnam fellow Lenny Ng and Associate Professor David Kraines, will join Assistant Director of Admissions Duncan Brook and students Alan Guo and Joe Keefer to discuss opportunities, academics, life, and admissions at Duke.

### Carnegie Mellon University Math Jam

Instructor: Po-Shen LohDifficulty Level: 0

Three Carnegie Mellon University (CMU) faculty members, including US IMO Deputy Team Leader Po-Shen Loh, will join CMU Assistant Director of Admissions Andrew McMillen and student Jimmy Koppel to discuss opportunities, academics, life, and admissions at Carnegie Mellon.

### Stanford Admissions Math Jam

Instructor: Ravi VakilDifficulty Level: 0

Dayna Kiwa Krakower of the admissions office at Stanford University, and former IMO gold medalist, Putnam winner, and Stanford mathematics professor Ravi Vakil will discuss admissions and life at Stanford.

### MIT Admissions Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Associate Director of Admissions at MIT, and Kiran Kedlaya, Associate Professor of Mathematics (and former IMO gold medalist and Putnam winner), will discuss MIT and the admissions process.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

AoPS instructors will discuss Art of Problem Solving fall online courses. Sample problems from some of the courses will be discussed. See the School pages for details about the classes.

### WOOT Math Jam

Instructor: Richard RusczykDifficulty Level: 0

AoPS instructors will discuss the 2010-11 Worldwide Online Olympiad Training (WOOT!) program.

### Group Theory Math Jam

Instructor: Jeremy CopelandDifficulty Level: 8

AoPS instructors will give a sample of some of the problems from the upcoming Group Theory course.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 2

AoPS instructors will discuss Art of Problem Solving fall online courses. Sample problems from some of the courses will be discussed. See the School pages for details about the classes.

### WOOT Math Jam

Instructor: Richard RusczykDifficulty Level: 0

AoPS instructors will discuss the 2010-11 Worldwide Online Olympiad Training (WOOT!) program.

### Catherine Asaro on Writing Science Fiction

Instructor: Catherine AsaroDifficulty Level: 0

Nebula Award winning author, math team coach, and Harvard PhD (in chemical physics) Catherine Asaro hosts a discussion of her writing career, which spans nearly two dozen novels. Her novel The Quantum Rose won the prestigious Nebula Award in 2001, and her novella The Spacetime Pool won the Nebula Award in 2008.

### Canada/USA MathCamp Qualifying Quiz

Instructor: Dan ZaharopolDifficulty Level: 7

Canada/USA Mathcamp instructor Dan Zaharopol will discuss the problems from the 2010 Mathcamp qualifying quiz, which you can find here.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss Art of Problem Solving summer online courses. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss Art of Problem Solving summer online courses. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### 2010 AIME II Math Jam

Instructor: David PatrickDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2010 AIME II.

### Mathcamp

Instructor: Dan ZaharopolDifficulty Level: 0

Mathcamp alum and instructor Dan Zaharopol discusses the summer program Mathcamp.

### 2010 AIME I Math Jam

Instructor: David PatrickDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2010 AIME I.

### 2010 AMC 10/12 B Math Jam

Instructor: David PatrickDifficulty Level: 5

AoPS Instructors will lead a discussion of the harder problems and requested problems from both the 2010 AMC 10 B and the 2010 AMC 12 B.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS instructors will discuss all AoPS classes starting in March. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### 2010 AMC 10/12 A Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS Instructors lead a discussion of the harder problems and requested problems from both the 2010 AMC 10 A and the 2010 AMC 12 A.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming Algebra 1, Algebra 2, and Advanced MATHCOUNTS/AMC 8 courses starting in February. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### More Linguistics!

Instructor: Christina SkeltonDifficulty Level: 3

Both Sanskrit and ancient Greek show a sound change known as Grassmann's Law. Does Grassmann's Law show that ancient Greek and Sanskrit are more closely related to each other than to the other Indo-European languages, or did it happen independently in the two languages?

### Idea Math Summer Program

Instructor: Zuming FengDifficulty Level: 0

U.S. International Math Olympiad team coach Zuming Feng discusses his new summer program.

### An Introduction to Linguistics

Instructor: Christina SkeltonDifficulty Level: 3

Two linguists discuss the Comparative Method, a linguistic theory which describes how languages change over time, and use it to demonstrate that English is related to some exotic languages you never would have imagined, like Sanskrit and Hittite.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS instructors will discuss the upcoming AIME Problem Series and Precalculus courses. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### MIT Admissions Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Associate Director of Admissions at MIT, and Kiran Kedlaya, Associate Professor of Mathematics, will discuss MIT and the admissions process.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 4

AoPS instructors will discuss the upcoming MATHCOUNTS/AMC 8 Problem Series (both classes), AMC 10 Problem Series, AMC 12 Problem Series, and Introduction to Number Theory courses. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS instructors will discuss the upcoming Algebra 3, Intermediate Counting & Probability, and Calculus courses. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming Algebra 1, Algebra 2, Introduction to Counting & Probability, and Introduction to Geometry courses. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### WOOT Math Jam

Instructor: Richard RusczykDifficulty Level: 0

AoPS instructors will discuss the 2009-10 Worldwide Online Olympiad Training (WOOT!) program.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 4

AoPS instructors will discuss the upcoming MATHCOUNTS/AMC 8 Problem Series (both classes), AMC 10 Problem Series and AMC 12 Problem Series. Sample problems from some of the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS instructors will discuss the upcoming Algebra 1, Algebra 3, and Intermediate Number Theory courses. Sample problems from each course will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS instructors will discuss the upcoming Advanced MATHCOUNTS/AMC 8 Problem Series, AMC 10 Problem Series, AMC 12 Problem Series, and AIME Problem Series B. Sample problems from each course will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming MATHCOUNTS/AMC 8 Basics, Introduction to Number Theory, and Introduction to Geometry classes. Sample problems from each class will be discussed. See the Online Classes pages for details on the classes.

### Mathcamp

Instructor: Dan ZaharopolDifficulty Level: 0

Mathcamp alum and instructor Dan Zaharopol discusses the summer program Mathcamp.

### 2009 Alternate AIME Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2009 Alternate AIME.

### 2009 AIME I Math Jam

Instructor: Dave PatrickDifficulty Level: 8

AoPS instructors discuss all 15 problems of the 2009 AIME I.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS instructors will discuss the upcoming Intermediate Counting & Probability class. Sample problems from the class will be discussed. See the Online Classes pages for details on the class.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming Introduction to Algebra, Introduction to Geometry, and Introduction to Counting & Probability classes. Sample problems from the classes will be discussed. See the Online Classes pages for details on the class.

### 2009 AMC 10/12 A Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS Instructors lead a discussion of the harder problems and requested problems from both the 2009 AMC 10 A and the 2009 AMC 12 A.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 8

AoPS instructors will discuss the upcoming Olympiad Geometry class. Sample problems from the class will be discussed. See the Online Classes pages for details on the class.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 6

AoPS instructors will discuss the upcoming AIME Problem Series B class. Sample problems from the class will be discussed. See the Online Classes pages for details on the class.

### MIT Admissions Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Associate Director of Admissions at MIT, and Kiran Kedlaya, Associate Professor of Mathematics, will discuss MIT and the admissions process.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 6

AoPS instructors will discuss the upcoming AMC 10 Problem Series, AMC 12 Problem Series, and Intermediate Number Theory classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Dave PatrickDifficulty Level: 5

AoPS instructors will discuss the upcoming Introduction to Algebra, MATHCOUNTS/AMC Problem Series, and Intermediate Trigonometry/Complex Numbers classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes. (The problems for the trigonometry class are considerably harder than those of the other two classes.)

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 4

AoPS instructors will discuss the upcoming Introduction to Geometry, Introduction to Number Theory, and Intermediate Algebra classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Calculus Math Jam

Instructor: Dave PatrickDifficulty Level: 9

AoPS instructor Dave Patrick will discuss the NEW Calculus course.

### WOOT Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors will discuss the 2008-09 Worldwide Online Olympiad Training (WOOT!) program.

### WOOT Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors will discuss the 2008-09 Worldwide Online Olympiad Training (WOOT!) program.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 6

AoPS instructors will discuss the upcoming Intermediate Algebra and Intermediate Counting & Probability classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming MATHCOUNTS Problem Series, Introduction to Algebra, and Introduction to Counting & Probability classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS instructors will discuss the upcoming AMC 10 Problem Series, AMC 12 Problem Series, and AIME Problem Series A. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### 2008 Alternate AIME Math Jam

Instructor: Dave PatrickDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2008 Alternate AIME.

### HCSSiM Math Jam

Instructor: sarah-marie belcastroDifficulty Level: 3

HCSSiM Co-Director sarah-marie belcastro, accompanied by recent HCSSiM alumns, will discuss the Hampshire College Summer Studies in Mathematics and an Interesting Test problem.

### 2008 AIME Math Jam

Instructor: Dave PatrickDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2008 AIME.

### Mathcamp

Instructor: Dan ZaharopolDifficulty Level: 0

Mathcamp alum and instructor Dan Zaharopol discusses the summer program Mathcamp.

### MathPath

Instructor: Dr. George ThomasDifficulty Level: 0

MathPath director Dr. George Thomas and MathPath alum parent Rocke Verser discuss the middle school summer program MathPath.

### USAMTS Round 4 Math Jam

Instructor: Dave PatrickDifficulty Level: 6

Solutions to USAMTS Round 4 problems will be discussed.

### USA Computing Olympiad

Instructor: Rob KolstadDifficulty Level: 0

USA International Olympiad in Informatics coach Rob Kolstad and past IOI team member (and gold medalist) Alex Schwendner will discuss the USA Computing Olympiad.

### 2008 AMC 10/12 B Math Jam

Instructor: Dave PatrickDifficulty Level: 5

AoPS Instructors will lead a discussion of the harder problems and requested problems from both the 2008 AMC 10 B and the 2008 AMC 12 B.

### AoPS Classes Math Jam

Instructor: Dave PatrickDifficulty Level: 6

AoPS instructors will discuss the upcoming Special AIME Problem Seminar and Intermediate Trigonometry/Complex Numbers classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### AoPS Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming Introduction to Geometry and Introduction to Number Theory classes. Sample problems from the courses will be discussed. See the Online Classes pages for details on the classes.

### 2008 AMC 10/12 A Math Jam

Instructor: Dave PatrickDifficulty Level: 5

AoPS Instructors lead a discussion of the harder problems and requested problems from both the 2008 AMC 10 A and the 2008 AMC 12 A.

### MathZoom Summer Camp

Instructor: Dr. Kevin WangDifficulty Level: 0

Dr. Kevin Wang, Founder and Head Coach at Math Zoom Academy, describes MathZoom Summer Camp 2008 held at UCLA (Jul 13-Aug 2).

### AwesomeMath

Instructor: Zuming FengDifficulty Level: 0

Zuming Feng, US IMO team coach, describes the summer camp AwesomeMath.

### USAMTS Round 3 Math Jam

Instructor: Dave PatrickDifficulty Level: 6

Solutions to USAMTS Round 3 problems will be discussed.

### USAMTS Round 2 Math Jam

Instructor: Dave PatrickDifficulty Level: 6

Solutions to USAMTS Round 2 problems will be discussed.

### AoPS Classes Math Jam

Instructor: Valentin VornicuDifficulty Level: 0

AoPS instructors discuss the upcoming AIME Problem Series class.

### AoPS Classes Math Jam

Instructor: Sean MarkanDifficulty Level: 0

AoPS instructors discuss the upcoming MATHCOUNTS Problem Series class.

### MIT Admissions Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Associate Director of Admissions at MIT, and Kiran Kedlaya, Assistant Professor of Mathematics, will discuss MIT and the admissions process.

### USAMTS Round 1 Math Jam

Instructor: Dave PatrickDifficulty Level: 6

Solutions to USAMTS Round 1 problems will be discussed.

### AoPS Classes Math Jam

Instructor: Valentin VornicuDifficulty Level: 0

AoPS instructors discuss the upcoming AMC 10 and AMC 12 Problem Series classes.

### AoPS Classes Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors discuss the upcoming Intermediate Counting & Probability and Intermediate Number Theory classes.

### AoPS Classes Math Jam

Instructor: Sean MarkanDifficulty Level: 0

AoPS instructors discuss the upcoming Introduction to Algebra class. See the Online Classes Enroll page for more information about our classes.

### AoPS Classes Math Jam

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructor David Patrick discusses the upcoming Introduction to Counting & Probability and Introduction to Geometry classes. Problems from both classes will be discussed, as will course procedures. See the Online Classes Enroll page for more details on the classes.

### WOOT Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors will discuss the 2007-08 Worldwide Online Olympiad Training (WOOT!) program.

### Inversion

Instructor: Sean MarkanDifficulty Level: 8

New AoPS instructor Sean Markan introduces the powerful geometric transformation, inversion.

### Combinations

Instructor: Sean MarkanDifficulty Level: 3

New AoPS instructor Sean Markan discusses many uses of combinations.

### WOOT Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors will discuss the 2007-08 Worldwide Online Olympiad Training (WOOT!) program.

### AoPS Classes Math Jam

Instructor: Naoki SatoDifficulty Level: 5

AoPS instructors will discuss the upcoming Intermediate Trigonometry/Complex Numbers, AMC 12, and AIME Problem Series A classes. Sample problems from the courses will be discussed. See the Online School Enroll page for details on the classes.

### AoPS Classes Math Jam

Instructor: Naoki SatoDifficulty Level: 5

AoPS instructors will discuss the upcoming MATHCOUNTS, Introduction to Number Theory, and AMC 10 classes. Sample problems from the courses will be discussed. See the Online School Enroll page for details on the classes.

### Siemens Competition in Math, Science & Technology

Instructor:Difficulty Level: 0

College Board member Janet DeCarlo and Siemens Award winner Dmitry Vaintrob will discuss the Siemens Competition in Math, Science & Technology with interested students. Vaintrob won the competition with a paper on his original mathematics research.

### MathPath

Instructor: Dr. George ThomasDifficulty Level: 0

MathPath director Dr. George Thomas and MathPath alum parent Rocke Verser discuss the middle school summer program MathPath.

### MathZoom Summer Camp

Instructor: Dr. Kevin WangDifficulty Level: 0

Dr. Kevin Wang, Math Zoom program director, describes the MathZoom Summer Camp 2007, hosted at UC San Diego from Aug 13 to Aug 31.

### 2007 Alternate AIME Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2007 Alternate AIME.

### HCSSiM Math Jam

Instructor: sarah-marie belcastroDifficulty Level: 0

Hampshire College Summer Studies in Mathematics Co-director sarah-marie belcastro will discuss the Hampshire College Summer Studies in Mathematics program with students, parents, and teachers.

### Cardinalities and Infinity Part III

Instructor: Dan ZaharopolDifficulty Level: 8

University of Illinois graduate student Daniel Zaharopol will lead a discussion on how mathematicians think about the sizes of infinite sets. (This is not a problem-solving talk, just a discussion about some amazing mathematics.) See the Transcripts page for Parts I and II on February 28 and March 14.

### Mathcamp

Instructor: Dan ZaharopolDifficulty Level: 0

Mathcamp alum and instructor Dan Zaharopol discusses the summer program Mathcamp.

### USAMTS Round 4 Math Jam

Instructor: Valentin VornicuDifficulty Level: 5

Valentin Vornicu will lead a discussion of the problems on Round 4 of the USAMTS.

### 2007 AIME Math Jam

Instructor: Dave PatrickDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2007 AIME.

### Cardinalities and Infinity Part II

Instructor: Dan ZaharopolDifficulty Level: 8

University of Illinois graduate student Daniel Zaharopol will lead a discussion on how mathematicians think about the sizes of infinite sets. (This is not a problem-solving talk, just a discussion about some amazing mathematics.) See the Transcripts page for Part I on February 28.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

Eric O'Brien will present and discuss problems involving Geometry for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### MathPath

Instructor: Dr. George ThomasDifficulty Level: 0

MathPath director Dr. George Thomas and MathPath alum parent Rocke Verser discuss the middle school summer program MathPath.

### Cardinalities and Infinity

Instructor: Dan ZaharopolDifficulty Level: 8

University of Illinois graduate student Daniel Zaharopol will lead a discussion on how mathematicians think about the sizes of infinite sets. (This is not a problem-solving talk, just a discussion about some amazing mathematics.)

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

Eric O'Brien will present and discuss problems involving Tests of Divisibility for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### AoPS classes Math Jam

Instructor: Naoki SatoDifficulty Level: 5

AoPS instructors will discuss the upcoming Intermediate Algebra and Special AIME Problem Seminar classes. Sample problems from the courses will be discussed. See the Online School Enroll page for details on the classes.

### 2007 AMC 10/12 B Math Jam

Instructor: Richard RusczykDifficulty Level: 5

AoPS Instructors will lead a discussion of the harder problems and requested problems from both the 2007 AMC 10 B and the 2007 AMC 12 B.

### AoPS Intro Counting & Probability and Intermediate Number Theory

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructors will discuss the upcoming Introduction to Counting & Probability and Intermediate Number Theory classes. Sample problems from the courses will be discussed. See the Online School Enroll page for details on the classes.

### MOEMS Teachers Math Jam

Instructor: Jim MatthewsDifficulty Level: 1

Jim Matthews will present and discuss problems involving Logic for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### 2007 AMC 10/12 A Math Jam

Instructor: Dave PatrickDifficulty Level: 5

AoPS Instructors lead a discussion of the harder problems and requested problems from both the 2007 AMC 10 A and the 2007 AMC 12 A.

### MOEMS Teachers Math Jam

Instructor: Jim MatthewsDifficulty Level: 1

Jim Matthews will present and discuss problems involving Pre-Algebra for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### MOEMS Teachers Math Jam

Instructor: Marshalyn BakerDifficulty Level: 1

Marshalyn Baker will present and discuss problems involving Factors and Multiples for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### AwesomeMath

Instructor: Zuming FengDifficulty Level: 0

Zuming Feng, US IMO team coach, describes the summer camp AwesomeMath.

### MOEMS Teachers Math Jam

Instructor: Marshalyn BakerDifficulty Level: 1

Marshalyn Baker will present and discuss problems involving Number Patterns for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### USAMTS Round 3 Math Jam

Instructor: Dave PatrickDifficulty Level: 5

Dave Patrick will lead a discussion of the problems on Round 3 of the USAMTS.

### USAMTS Round 2 Math Jam

Instructor: Dave PatrickDifficulty Level: 5

Dave Patrick will lead a discussion of the problems on Round 2 of the USAMTS.

### AoPS MATHCOUNTS and AIME B Problem Series

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming MATHCOUNTS Problem Series and AIME B Problem Series. Sample problems from the courses will be discussed. See the Online School Enroll page for details on the classes.

### MOEMS Teachers Math Jam

Instructor: Jim MatthewsDifficulty Level: 1

Jim Matthews will present and discuss problems involving Trains & Things for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

Eric O'Brien will present and discuss problems involving Geometry for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### Harvey Mudd Admissions Math Jam

Instructor: Peter OsgoodDifficulty Level: 0

Peter Osgood, Director of Admissions, and Francis Su, Professor of Mathematics, will discuss the Harvey Mudd College admissions process and Putnam/problem-solving activities there.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

Eric O'Brien will present and discuss problems involving Tests of Divisibility for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### AoPS AMC 12 Problem Series

Instructor: Naoki SatoDifficulty Level: 5

AoPS instructors will discuss the upcoming AMC 12 Problem Series. Sample problems from the course will be discussed. See the Online School Enroll page for details on the classes.

### USAMTS Round 1 Math Jam

Instructor: Dave PatrickDifficulty Level: 5

David Patrick will lead a discussion of the problems on Round 1 of the USAMTS.

### MOEMS Teachers Math Jam

Instructor: Marshalyn BakerDifficulty Level: 1

Marshalyn Baker will present and discuss problems involving Factors and Multiples for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### MOEMS Teachers Math Jam

Instructor: Marshalyn BakerDifficulty Level: 1

Marshalyn Baker will present and discuss problems involving Number Patterns for students grades 4-8. This is part of a 6-Jam series designed by the administrators of the MOEMS program.

### AoPS Intro Geometry and AMC 10

Instructor: Richard RusczykDifficulty Level: 3

AoPS instructors will discuss the upcoming Introduction to Geometry class and the AMC 10 Problem Series. Sample problems from the courses will be discussed. See the Online School Enroll page for details on the classes.

### MIT Admissions Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Associate Director of Admissions at MIT, and Kiran Kedlaya, Assistant Professor of Mathematics, will discuss MIT and the admissions process.

### Putnam Math Jam

Instructor: Simon Rubinstein-SalzedoDifficulty Level: 9

AoPS Community Member Simon Rubinstein-Salzedo will discuss problems and useful techniques for the Putnam examination, which is a challenging math contest for college students in North America.

### AoPS Intermediate Trig/Complex Numbers

Instructor: Naoki SatoDifficulty Level: 6

AoPS instructors will discuss the upcoming Intermediate Trigonometry/Complex Numbers class. Sample problems from the course will be discussed. See the Online School Enroll page for details on the classes.

### WOOT Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors will discuss the 2006-07 Worldwide Online Olympiad Training (WOOT!)

### WOOT Math Jam

Instructor: Richard RusczykDifficulty Level: 0

AoPS instructors will discuss the 2006-07 Worldwide Online Olympiad Training (WOOT!)

### AwesomeMath

Instructor: Zuming FengDifficulty Level: 0

Zuming Feng, US IMO team coach, describes the new summer camp AwesomeMath.

### Siemens Competition and Scholarship Program

Instructor:Difficulty Level: 0

College Board member Janet DeCarlo and Siemens Award winner Michael Viscardi will discuss the Siemens Competition in Math, Science & Technology with interested students. Viscardi won the competition with a paper on his original mathematics research.

### MATHCOUNTS Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

Another exciting MATHCOUNTS game! Students answer problems quickly and earn extra points for great solution methods.

### National MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 3

1990 National MATHCOUNTS perfect scorer Mathew Crawford will discussion methods for problem solving with students. Students should bring the questions they want to discuss.

### Mathcamp Math Jam

Instructor: Dan ZaharopolDifficulty Level: 0

Mathcamp organizer and instructor Dan Zaharopol will discuss the Mathcamp summer program with students, parents, and teachers.

### HCSSiM Math Jam

Instructor: sarah-marie belcastroDifficulty Level: 0

Hampshire College Summer Studies in Mathematics Co-director sarah-marie belcastro will discuss the Hampshire College Summer Studies in Mathematics program with students, parents, and teachers.

### MATHCOUNTS Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

Another exciting MATHCOUNTS game! Students answer problems quickly and earn extra points for great solution methods.

### 2006 Alternate AIME Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2006 Alternate AIME.

### USAMTS Round 4 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 6

Solutions to USAMTS Round 4 problems to be discussed.

### 2006 AIME Math Jam

Instructor: Mathew CrawfordDifficulty Level: 7

AoPS instructors will lead a discussion on all 15 problems from the 2006 AIME.

### MathPath Math Jam

Instructor: Dr. George ThomasDifficulty Level: 0

A parent of a Mathpath alumnus teams up with Mathpath Executive Director Dr. George Thomas to answer general questions from prospective applicants.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

MOEMS will present and discuss several classic Olympiad problems for grades 4-8, including tips on teaching problem solving. This is part of a 12- Jam series.

### MATHCOUNTS Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

We will hold an informal contest using problems similar to those from MATHCOUNTS State Sprint Rounds.

### 2006 AMC 10/12 B Math Jam

Instructor: Dave PatrickDifficulty Level: 5

AoPS Instructors will lead a discussion of the harder problems and requested problems from both the 2006 AMC 10 B and the 2006 AMC 12 B.

### AwesomeMath

Instructor: Zuming FengDifficulty Level: 0

Zuming Feng, US IMO team coach, describes the new summer camp AwesomeMath.

### 2006 AMC 10/12 A Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

AoPS Instructors lead a discussion of the harder problems and requested problems from both the 2006 AMC 10 A and the 2006 AMC 12 A.

### MOEMS Teachers Math Jam

Instructor: Marshalyn BakerDifficulty Level: 1

MOEMS will present and discuss several classic Olympiad problems for grades 4-8, including tips on teaching problem solving. This is part of a 12- Jam series.

### MATHCOUNTS Problem Discussion Hour

Instructor:Difficulty Level: 2

2002 MATHCOUNTS National Champion Albert Ni will help students diagnose solutions to MATHCOUNTS problems. Bring your problems!

### Independent Study Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

AoPS Instructors will discuss the Independent Study program with interested students, parents, and teachers.

### Intro to Counting and Probability and Intermediate Algebra Classes Math Jam

Instructor: Dave PatrickDifficulty Level: 3

AoPS instructor Dave Patrick will discuss the Introduction to Counting & Probability and Intermediate Algebra classes. Sample problems from each course will be discussed. See the Online School Enroll page for details on the classes.

### Olympiad Classes Math Jam

Instructor: Richard RusczykDifficulty Level: 7

AoPS Instructors Richard Rusczyk and Naoki Sato will discuss the upcoming Olympiad Inequalities and Olympiad Geometry classes. Sample problems from each course will be discussed. See the Online School Enroll page for details on the classes.

### USAMTS Round 3 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 6

Solutions to USAMTS Round 3 problems to be discussed.

### Independent Study Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

AoPS Instructors will discuss the Independent Study program with interested students, parents, and teachers.

### Intermediate Number Theory Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

AoPS instructor Mathew Crawford will discuss the new Intermediate Number Theory Seminar with interested students, parents, and teachers. A few problems will be worked with students that represent much of the range of difficulty and topic focus of the class. The seminar begins Jan 10 and lasts 8 weeks. See the enrollment page for details.

### MOEMS Teachers Math Jam

Instructor: Mary AltieriDifficulty Level: 1

MOEMS will present and discuss several classic Olympiad problems for grades 4-8, including tips on teaching problem solving. This is part of a 12- Jam series.

### AwesomeMath

Instructor: Zuming FengDifficulty Level: 0

Zuming Feng, US IMO team coach, describes the new summer camp AwesomeMath.

### MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 2

1990 National Test Champion Mathew Crawford will help students diagnose problems from MATHCOUNTS. Bring the problems you want to work on!

### Careers in Finance at DE Shaw group

Instructor:Difficulty Level: 0

IMO Gold medalist, USAMO winner, and MATHCOUNTS National Champion Sasha Schwartz discusses careers in finance at D. E. Shaw group.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

### USAMTS Round 2 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 6

Solutions to USAMTS Round 2 problems to be discussed.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

### MOEMS Teachers Math Jam

Instructor: Richard KalmanDifficulty Level: 0

The Executive Director will discuss MOEMS procedures and answer questions now that Olympiad 1 has been given.problem solving will be discussed in other sessions.

### MATHCOUNTS and AIME Problem Series Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

Mathew Crawford will discuss the MATHCOUNTS and AIME Problem Series with students and work a few problems from each class.

### MOEMS Teachers Math Jam

Instructor: Jim MatthewsDifficulty Level: 1

### MATHCOUNTS Problem Discussion Hour

Instructor:Difficulty Level: 2

2002 MATHCOUNTS National Champion Albert Ni will help students diagnose solutions to MATHCOUNTS problems. Bring your problems!

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

### MOEMS Teachers Math Jam

Instructor: Jim MatthewsDifficulty Level: 1

### MATHCOUNTS Math Jam

Instructor: Naoki SatoDifficulty Level: 2

AoPS Instructors will hold a MATHCOUNTS class free to students that will be viewed live by MATHCOUNTS teachers.

### MIT Admissions Math Jam

Instructor: Matt McGannDifficulty Level: 0

Matt McGann, Assistant Director of Admissions at MIT, will discuss MIT and the admissions process.

### MOEMS Teachers Math Jam

Instructor:Difficulty Level: 1

### USAMTS Round 1 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 6

We will walk through solutions to all 5 problems from the first round of the 2005-2006 USAMTS.

### AMC 10/12 Problem Series Math Jam

Instructor: Dave PatrickDifficulty Level: 4

AoPS instructors will discuss the AMC 10 and AMC 12 Problem Series and work a few sample problems from those classes.

### MOEMS Teachers Math Jam

Instructor: Marshalyn BakerDifficulty Level: 1

### MOEMS Teachers Math Jam

Instructor: Richard KalmanDifficulty Level: 1

### MOEMS Teachers Math Jam

Instructor: Richard KalmanDifficulty Level: 0

The MOEMS Executive Director will discuss the nature and procedures of the Math Olympiads with PICOs and other adults interested in starting teams in their schools. Mathematical problem solving will be discussed in other sessions.

### Subject Classes Math Jam

Instructor: Naoki SatoDifficulty Level: 0

AoPS instructors will discuss the Intermediate Complex Numbers/Trigonometry and Olympiad Problem Solving classes with students, parents, and teachers. We will sample a problem or two from each class.

### Subject Classes Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

AoPS instructors will discuss the Introductory Number Theory and Intermediate Counting & Probability classes with students, parents, and teachers. We will sample a problem or two from each class.

### NOML Math Jam

Instructor:Difficulty Level: 5

NOML founder Cody L. Patterson will discuss the National Online Math League ("Cody Bowl") competition, a year-long online contest for math enthusiasts of all ages. Tune in for updates on this year's league competition, and selected problems from the 2004-2005 season.

### Independent Study Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

Mathew Crawford will discuss the AoPS Independent Study program with students, parents, and teachers.

### WOOT Math Jam

Instructor: Dave PatrickDifficulty Level: 0

Mathew Crawford and Dave Patrick will discuss the WOOT program with interested students.

### Mandelbrot Competition Math Jam

Instructor: Mathew CrawfordDifficulty Level: 6

Warmup for the Mandelbrot. Medium to hard problems discussed.

### MATHCOUNTS Warmup Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

We will hold an informal contest using problems similar to those from MATHCOUNTS Chapter Sprint Rounds.

### WOOT Math Jam

Instructor: Mathew CrawfordDifficulty Level: 7

Valentin Vornicu and Mathew Crawford will discuss WOOT with interested students.

### An Introduction to Generating Functions

Instructor: Dave PatrickDifficulty Level: 5

Generating functions are a rarely taught, but highly useful tool that allows problem solvers to solve difficult counting problems using polynomials.If you know binomial expansion, you already a little about generating functions.

### MOEMS Teachers Math Jam

Instructor: Richard KalmanDifficulty Level: 0

The MOEMS Executive Director will discuss the nature and procedures of the Math Olympiads with PICOs and other adults interested in starting teams in their schools. Mathematical problem solving will be discussed in other sessions.

### WOOT Math Jam

Instructor: Richard RusczykDifficulty Level: 7

We will discuss WOOT.

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

AoPS instructors will discuss the Intermediate Algebra, Olympiad Geometry, and AIME Problem Series classes which all begin in mid-June.

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

AoPS Instructors will discuss the Introductory Counting & Probability Class, MATHCOUNTS Problem Series, and the AMC10 Problem Series all beginning in early June.

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

Mathew Crawford will lead a discussion about the AoPS Independent Study programs beginning May 13.

### MATHCOUNTS Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

We will hold an informal contest using problems similar to those from MATHCOUNTS competitions.

### Mathcamp Math Jam

Instructor: David SavittDifficulty Level: 0

Deputy Director of the Canada/USA Mathcamp, David Savitt, will discuss the Mathcamp summer program with students, parents, and teachers.

### MATHCOUNTS Problem Discussion Hour (Nationals Preparation!)

Instructor: Mathew CrawfordDifficulty Level: 2

Former National MATHCOUNTS test champion Mathew Crawford will assist students in understanding solutions to challenging MATHCOUNTS problems.

### Siemens Westinghouse Competition and Scholarship Program

Instructor:Difficulty Level: 0

College Board member Janet DeCarlo and scholarship winner Po-Ling Loh will discuss the Siemens Westinghouse Competition in Math, Science & Technology Competition and Scholarship Program with interested students.

### MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 2

Former National MATHCOUNTS test champion Mathew Crawford will assist students in understanding solutions to challenging MATHCOUNTS problems.

### Alternate AIME Math Jam

Instructor: Mathew CrawfordDifficulty Level: 7

We will review the problems from the 2005 Alternate AIME.

### USAMTS Round 4 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will discuss the problems from the fourth round of the USAMTS.

### MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 2

Former National MATHCOUNTS test champion Mathew Crawford will assist students in understanding solutions to challenging MATHCOUNTS problems.

### AIME Math Jam

Instructor: Mathew CrawfordDifficulty Level: 7

We will review the problems from the 2005 AIME.

### MATHCOUNTS Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

We will hold an informal contest using problems similar to those from MATHCOUNTS competitions.

### MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 2

### AMC 10/12 Contest B Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will review the problems from the 2005 AMC-10 B and AMC-12 B.

### MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 2

### Mandelbrot Math Jam

Instructor: Mathew CrawfordDifficulty Level: 6

We will tackle problems from past Mandelbrot competitions.

### AMC 10/12 Contest A Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will review the problems from the 2005 AMC-10 A and AMC-12 A.

### AMC Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will solve and discuss several problems from past AMC exams.

### MATHCOUNTS Problem Discussion Hour

Instructor: Mathew CrawfordDifficulty Level: 2

### MATHCOUNTS Game Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

We will hold an informal contest using problems similar to those from MATHCOUNTS competitions.

### AoPS Class Math Jam

Instructor: Richard RusczykDifficulty Level: 0

The Introduction to Geometry class and the AIME Problem Seminar will be discussed and a problem or two from each class will be solved. Difficulty will vary.

### AoPS Class Math Jam

Instructor: Dave PatrickDifficulty Level: 8

Dave Patrick will discuss the Olympiad Problem Solving and Olympiad Inequalities classes. A few problems from those classes will be solved.

### USAMTS Round 3 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will discuss the problems from the third round of the USAMTS.

### AoPS Class Math Jam

Instructor: Richard RusczykDifficulty Level: 2

Richard Rusczyk will discuss the Introduction to Number Theory and Introduction to Counting & Probability classes. A few problems from each class will be solved during the Math Jam.

### AoPS Class Math Jam

Instructor: Richard RusczykDifficulty Level: 6

Richard Rusczyk will discuss the Independent Study programs as well as the Intermediate Counting/Probability and Intermediate Complex Numbers/Trig classes. A few problems from the Intermediate classes will be solved during the Math Jam.

### College Interview Math Jam

Instructor: Richard RusczykDifficulty Level: 0

Richard Rusczyk will share his experience as a college interviewer for Princeton University with students interested in understanding the interview process.

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 0

Discussion of the upcoming AIME Problem Series and the Independent Study programs. A problem or two from each curriculum will be discussed.

### USAMTS Round 2 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will discuss the problems from the second round of the USAMTS.

### AMC-8 Math Jam

Instructor: Dave PatrickDifficulty Level: 3

Problems from the 2004 AMC-8 will be discussed.

### Independent Study Math Jam

Instructor: Richard RusczykDifficulty Level: 0

Richard Rusczyk will discuss the AoPS Independent Study program with students, parents, and teachers.

### Putnam Math Jam

Instructor: Dave PatrickDifficulty Level: 9

Selected problems from the William Lowell Putnam Examination.

### MATHCOUNTS Math Jam

Instructor: Mathew CrawfordDifficulty Level: 1

We will discuss problems similar to MATHCOUNTS sprint round problems.

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 3

The AoPS MATHCOUNTS and AMC-10 Problem Series classes will be discussed and a few problems from each of those classes will be solved.

### MATHCOUNTS Math Jam

Instructor: Mathew CrawfordDifficulty Level: 3

We will discuss harder Number Theory problems similar to those that appear on MATHCOUNTS competitions.

### Putnam Math Jam

Instructor: Dave PatrickDifficulty Level: 9

Selected Linear Algebra & Abstract Algebra problems from the William Lowell Putnam Exam

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

Mathew Crawford will lead a discussion about the AoPS AMC-12 class that begins Thursday, October 21. Selected problems will be discussed and questions about the class will be answered.

### USAMTS Round 1 Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

We will discuss the problems from the first round of the USAMTS.

### MATHCOUNTS Math Jam

Instructor: Mathew CrawfordDifficulty Level: 2

We will discuss numerous MATHCOUNTS word problems with an eye toward breaking the words into math to solve the problem.

### AoPS Class Math Jam

Instructor: Richard RusczykDifficulty Level: 5

Richard Rusczyk will lead a discussion about AoPS classes Introduction to Geometry and Olympiad Geometry. One or two problems from each class will be discussed and questions about these and other classes will be answered.

### AoPS Class Math Jam

Instructor: Richard RusczykDifficulty Level: 7

Richard Rusczyk will lead a discussion about AoPS classes Intermediate Trigonometry/Complex Numbers, Olympiad Inequalities and Olympiad Problem Solving. A challenging problem from each class will be discussed and questions about the classes will be answered.

### Putnam Math Jam

Instructor: Dave PatrickDifficulty Level: 8

Selected Calculus & Analysis problems from the William Lowell Putnam Examination.

### AoPS Class Math Jam

Instructor: Mathew CrawfordDifficulty Level: 5

Mathew Crawford will lead a discussion about AoPS classes Intermediate Algebra, Intermediate Counting & Probability, and Introduction to Number Theory. A challenging problem from each class will be discussed and questions about the classes will be answered.

### Selected Problems from the AIME

Instructor: Mathew CrawfordDifficulty Level: 6

The focus of this Math Jam will be taking a step back to look at the big picture when confronted with unusual problems.

### Siemens Westinghouse Competition and Scholarship Program

Instructor: Mathew CrawfordDifficulty Level: 0

One member of the College Board and two past Siemens Westinghouse Scholars will discuss the Siemens Westinghouse Competition in Math, Science & Technology with interested students.

### AoPS Independent Study Discussion

Instructor: Mathew CrawfordDifficulty Level: 0

Mathew Crawford and Richard Rusczyk will discuss the AoPS Independent Study programs.

### Complex Numbers

Instructor: Simon Rubinstein-SalzedoDifficulty Level: 6

A discussion of the use of complex numbers in problem solving.

### An Exploration of Figurate Numbers

Instructor:Difficulty Level: 4

You've heard of triangular number and square numbers? Well, there's plenty more where that came from...

### Canada/USA Mathcamp

Instructor: David SavittDifficulty Level: 0

Canada/USA Mathcamp deputy director David Savitt will discuss the Mathcamp summer program with interested students. Questions will be welcome from students planning to attend Mathcamp 2004, as well as from students who might wish to attend in a future summer.

### MATHCOUNTS

Instructor: Mathew CrawfordDifficulty Level: 2

Selected challenging problems from MATHCOUNTS, the premier middle school contest in the United States. Learn more about MATHCOUNTS at www.mathcounts.org.

### Sequences, Series, and Sigma

Instructor: Mathew CrawfordDifficulty Level: 5

A discussion of methods for calculating sequence terms and series summations.

### Math Olympiad Summer Program Discussion

Instructor: Zuming FengDifficulty Level: 0

IMO Team Leader Zuming Feng and AMC Director Steve Dunbar will answer questions by students who will attend the 2004 Math Olympiad Summer Program

### ARML

Instructor: Richard RusczykDifficulty Level: 5

Selected problems from old American Regions Math Leagues competitions. Learn more about ARML at www.arml.com.

### USAMO

Instructor: Mathew CrawfordDifficulty Level: 9

We will discuss the problems from the second day of the 2004 USAMO.

### A discussion of Count Down, by Steve Olson

Instructor:Difficulty Level: 0

Steve Olson is the author of the recently released book Count Down. Count Down chronicles the 2001 US IMO team and the problems on the 2001 IMO, while exploring many fascinating areas regarding intelligence, creativity, girls in mathematics (he discusses Melanie Wood’s success in addition to the 2001 team members), and the nature of genius. This Math Jam will give students the opportunity to ask questions about the book, his opinions on what it takes to become as strong at problem solving as the IMO team members, and how to approach a career in nonfiction writing. His first book, Mapping Human History, was a finalist for the National Book Award.

### USAMO

Instructor: Mathew CrawfordDifficulty Level: 9

We will discuss the problems from the first day of the 2004 USAMO.

### How to take the USAMO

Instructor: Richard RusczykDifficulty Level: 0

We will discuss general strategies for taking the USAMO and for writing proofs. There will be little specific math in this Math Jam, as we will focus primarily on broad strategies for approaching the test. Much of the Math Jams will be answering questions from students.

### MATHCOUNTS

Instructor: Mathew CrawfordDifficulty Level: 3

Selected challenging problems from MATHCOUNTS, the premier middle school contest in the United States. Learn more about MATHCOUNTS at www.mathcounts.org.

### AIME

Instructor: Richard RusczykDifficulty Level: 7

We will review the problems from the 2004 AIME B.

### AIME

Instructor: Mathew CrawfordDifficulty Level: 7

We will review the problems from the 2004 AIME A.

### Olympiad

Instructor: Mathew CrawfordDifficulty Level: 8

We'll explore a few Olympiad level problems drawn from the USA Mathematical Olympiad and the Putnam exam.

### AMC

Instructor: Mathew CrawfordDifficulty Level: 5

We will review the problems from this year's AMC-10 B and AMC-12 B.

### AMC

Instructor: Richard RusczykDifficulty Level: 5

We will review the problems from this year's AMC-10 A and AMC-12 A.

### AMC

Instructor: Mathew CrawfordDifficulty Level: 4

Selected problems from old AMC competitions. The AMC series of contests determines the US team which participates in the IMO. Learn about the AMC contests at www.unl.edu/amc.

### Tournament of Towns

Instructor: Simon Rubinstein-SalzedoDifficulty Level: 6

Selected challenging problems from the International Mathematics Tournament of Towns, an excellent proof-oriented contest.

### Olympiad Geometry

Instructor: Richard RusczykDifficulty Level: 9

We'll explore one or two olympiad-level geometry problems.

### Olympiad

Instructor: Richard RusczykDifficulty Level: 9

We'll explore one or two problems from a national olympiad.

### ARML

Instructor: Richard RusczykDifficulty Level: 5

Selected problems from old American Regions Math Leagues competitions. Learn more about ARML at www.arml.com.

### Mandelbrot

Instructor: Richard RusczykDifficulty Level: 5

Selected problems from the Mandelbrot Competition. Learn more about the Mandelbrot Competition at www.mandelbrot.org.

### IMO

Instructor: Richard RusczykDifficulty Level: 9

A challenging problem from the International Mathematics Olympiad, in which the top 6 high school students from countries throughout the world compete.