AoPS Mock Contests
A forum for posting, taking, and discussing contests created by AoPS users
A forum for posting, taking, and discussing contests created by AoPS users
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AoPS Mock Contests
A forum for posting, taking, and discussing contests created by AoPS users
A forum for posting, taking, and discussing contests created by AoPS users
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k a May Highlights and 2025 AoPS Online Class Information
jlacosta 0
May 1, 2025
May is an exciting month! National MATHCOUNTS is the second week of May in Washington D.C. and our Founder, Richard Rusczyk will be presenting a seminar, Preparing Strong Math Students for College and Careers, on May 11th.
Are you interested in working towards MATHCOUNTS and don’t know where to start? We have you covered! If you have taken Prealgebra, then you are ready for MATHCOUNTS/AMC 8 Basics. Already aiming for State or National MATHCOUNTS and harder AMC 8 problems? Then our MATHCOUNTS/AMC 8 Advanced course is for you.
Summer camps are starting next month at the Virtual Campus in math and language arts that are 2 - to 4 - weeks in duration. Spaces are still available - don’t miss your chance to have an enriching summer experience. There are middle and high school competition math camps as well as Math Beasts camps that review key topics coupled with fun explorations covering areas such as graph theory (Math Beasts Camp 6), cryptography (Math Beasts Camp 7-8), and topology (Math Beasts Camp 8-9)!
Be sure to mark your calendars for the following upcoming events:
[list][*]May 9th, 4:30pm PT/7:30pm ET, Casework 2: Overwhelming Evidence — A Text Adventure, a game where participants will work together to navigate the map, solve puzzles, and win! All are welcome.
[*]May 19th, 4:30pm PT/7:30pm ET, What's Next After Beast Academy?, designed for students finishing Beast Academy and ready for Prealgebra 1.
[*]May 20th, 4:00pm PT/7:00pm ET, Mathcamp 2025 Qualifying Quiz Part 1 Math Jam, Problems 1 to 4, join the Canada/USA Mathcamp staff for this exciting Math Jam, where they discuss solutions to Problems 1 to 4 of the 2025 Mathcamp Qualifying Quiz!
[*]May 21st, 4:00pm PT/7:00pm ET, Mathcamp 2025 Qualifying Quiz Part 2 Math Jam, Problems 5 and 6, Canada/USA Mathcamp staff will discuss solutions to Problems 5 and 6 of the 2025 Mathcamp Qualifying Quiz![/list]
Our full course list for upcoming classes is below:
All classes run 7:30pm-8:45pm ET/4:30pm - 5:45pm PT unless otherwise noted.
Introductory: Grades 5-10
Prealgebra 1 Self-Paced
Prealgebra 1
Tuesday, May 13 - Aug 26
Thursday, May 29 - Sep 11
Sunday, Jun 15 - Oct 12
Monday, Jun 30 - Oct 20
Wednesday, Jul 16 - Oct 29
Prealgebra 2 Self-Paced
Prealgebra 2
Wednesday, May 7 - Aug 20
Monday, Jun 2 - Sep 22
Sunday, Jun 29 - Oct 26
Friday, Jul 25 - Nov 21
Introduction to Algebra A Self-Paced
Introduction to Algebra A
Sunday, May 11 - Sep 14 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Wednesday, May 14 - Aug 27
Friday, May 30 - Sep 26
Monday, Jun 2 - Sep 22
Sunday, Jun 15 - Oct 12
Thursday, Jun 26 - Oct 9
Tuesday, Jul 15 - Oct 28
Introduction to Counting & Probability Self-Paced
Introduction to Counting & Probability
Thursday, May 15 - Jul 31
Sunday, Jun 1 - Aug 24
Thursday, Jun 12 - Aug 28
Wednesday, Jul 9 - Sep 24
Sunday, Jul 27 - Oct 19
Introduction to Number Theory
Friday, May 9 - Aug 1
Wednesday, May 21 - Aug 6
Monday, Jun 9 - Aug 25
Sunday, Jun 15 - Sep 14
Tuesday, Jul 15 - Sep 30
Introduction to Algebra B Self-Paced
Introduction to Algebra B
Tuesday, May 6 - Aug 19
Wednesday, Jun 4 - Sep 17
Sunday, Jun 22 - Oct 19
Friday, Jul 18 - Nov 14
Introduction to Geometry
Sunday, May 11 - Nov 9
Tuesday, May 20 - Oct 28
Monday, Jun 16 - Dec 8
Friday, Jun 20 - Jan 9
Sunday, Jun 29 - Jan 11
Monday, Jul 14 - Jan 19
Paradoxes and Infinity
Mon, Tue, Wed, & Thurs, Jul 14 - Jul 16 (meets every day of the week!)
Intermediate: Grades 8-12
Intermediate Algebra
Sunday, Jun 1 - Nov 23
Tuesday, Jun 10 - Nov 18
Wednesday, Jun 25 - Dec 10
Sunday, Jul 13 - Jan 18
Thursday, Jul 24 - Jan 22
Intermediate Counting & Probability
Wednesday, May 21 - Sep 17
Sunday, Jun 22 - Nov 2
Intermediate Number Theory
Sunday, Jun 1 - Aug 24
Wednesday, Jun 18 - Sep 3
Precalculus
Friday, May 16 - Oct 24
Sunday, Jun 1 - Nov 9
Monday, Jun 30 - Dec 8
Advanced: Grades 9-12
Olympiad Geometry
Tuesday, Jun 10 - Aug 26
Calculus
Tuesday, May 27 - Nov 11
Wednesday, Jun 25 - Dec 17
Group Theory
Thursday, Jun 12 - Sep 11
Contest Preparation: Grades 6-12
MATHCOUNTS/AMC 8 Basics
Friday, May 23 - Aug 15
Monday, Jun 2 - Aug 18
Thursday, Jun 12 - Aug 28
Sunday, Jun 22 - Sep 21
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)
MATHCOUNTS/AMC 8 Advanced
Sunday, May 11 - Aug 10
Tuesday, May 27 - Aug 12
Wednesday, Jun 11 - Aug 27
Sunday, Jun 22 - Sep 21
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)
AMC 10 Problem Series
Friday, May 9 - Aug 1
Sunday, Jun 1 - Aug 24
Thursday, Jun 12 - Aug 28
Tuesday, Jun 17 - Sep 2
Sunday, Jun 22 - Sep 21 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Monday, Jun 23 - Sep 15
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)
AMC 10 Final Fives
Sunday, May 11 - Jun 8
Tuesday, May 27 - Jun 17
Monday, Jun 30 - Jul 21
AMC 12 Problem Series
Tuesday, May 27 - Aug 12
Thursday, Jun 12 - Aug 28
Sunday, Jun 22 - Sep 21
Wednesday, Aug 6 - Oct 22
AMC 12 Final Fives
Sunday, May 18 - Jun 15
AIME Problem Series A
Thursday, May 22 - Jul 31
AIME Problem Series B
Sunday, Jun 22 - Sep 21
F=ma Problem Series
Wednesday, Jun 11 - Aug 27
WOOT Programs
Visit the pages linked for full schedule details for each of these programs!
MathWOOT Level 1
MathWOOT Level 2
ChemWOOT
CodeWOOT
PhysicsWOOT
Programming
Introduction to Programming with Python
Thursday, May 22 - Aug 7
Sunday, Jun 15 - Sep 14 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Tuesday, Jun 17 - Sep 2
Monday, Jun 30 - Sep 22
Intermediate Programming with Python
Sunday, Jun 1 - Aug 24
Monday, Jun 30 - Sep 22
USACO Bronze Problem Series
Tuesday, May 13 - Jul 29
Sunday, Jun 22 - Sep 1
Physics
Introduction to Physics
Wednesday, May 21 - Aug 6
Sunday, Jun 15 - Sep 14
Monday, Jun 23 - Sep 15
Physics 1: Mechanics
Thursday, May 22 - Oct 30
Monday, Jun 23 - Dec 15
Relativity
Mon, Tue, Wed & Thurs, Jun 23 - Jun 26 (meets every day of the week!)
Are you interested in working towards MATHCOUNTS and don’t know where to start? We have you covered! If you have taken Prealgebra, then you are ready for MATHCOUNTS/AMC 8 Basics. Already aiming for State or National MATHCOUNTS and harder AMC 8 problems? Then our MATHCOUNTS/AMC 8 Advanced course is for you.
Summer camps are starting next month at the Virtual Campus in math and language arts that are 2 - to 4 - weeks in duration. Spaces are still available - don’t miss your chance to have an enriching summer experience. There are middle and high school competition math camps as well as Math Beasts camps that review key topics coupled with fun explorations covering areas such as graph theory (Math Beasts Camp 6), cryptography (Math Beasts Camp 7-8), and topology (Math Beasts Camp 8-9)!
Be sure to mark your calendars for the following upcoming events:
[list][*]May 9th, 4:30pm PT/7:30pm ET, Casework 2: Overwhelming Evidence — A Text Adventure, a game where participants will work together to navigate the map, solve puzzles, and win! All are welcome.
[*]May 19th, 4:30pm PT/7:30pm ET, What's Next After Beast Academy?, designed for students finishing Beast Academy and ready for Prealgebra 1.
[*]May 20th, 4:00pm PT/7:00pm ET, Mathcamp 2025 Qualifying Quiz Part 1 Math Jam, Problems 1 to 4, join the Canada/USA Mathcamp staff for this exciting Math Jam, where they discuss solutions to Problems 1 to 4 of the 2025 Mathcamp Qualifying Quiz!
[*]May 21st, 4:00pm PT/7:00pm ET, Mathcamp 2025 Qualifying Quiz Part 2 Math Jam, Problems 5 and 6, Canada/USA Mathcamp staff will discuss solutions to Problems 5 and 6 of the 2025 Mathcamp Qualifying Quiz![/list]
Our full course list for upcoming classes is below:
All classes run 7:30pm-8:45pm ET/4:30pm - 5:45pm PT unless otherwise noted.
Introductory: Grades 5-10
Prealgebra 1 Self-Paced
Prealgebra 1
Tuesday, May 13 - Aug 26
Thursday, May 29 - Sep 11
Sunday, Jun 15 - Oct 12
Monday, Jun 30 - Oct 20
Wednesday, Jul 16 - Oct 29
Prealgebra 2 Self-Paced
Prealgebra 2
Wednesday, May 7 - Aug 20
Monday, Jun 2 - Sep 22
Sunday, Jun 29 - Oct 26
Friday, Jul 25 - Nov 21
Introduction to Algebra A Self-Paced
Introduction to Algebra A
Sunday, May 11 - Sep 14 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Wednesday, May 14 - Aug 27
Friday, May 30 - Sep 26
Monday, Jun 2 - Sep 22
Sunday, Jun 15 - Oct 12
Thursday, Jun 26 - Oct 9
Tuesday, Jul 15 - Oct 28
Introduction to Counting & Probability Self-Paced
Introduction to Counting & Probability
Thursday, May 15 - Jul 31
Sunday, Jun 1 - Aug 24
Thursday, Jun 12 - Aug 28
Wednesday, Jul 9 - Sep 24
Sunday, Jul 27 - Oct 19
Introduction to Number Theory
Friday, May 9 - Aug 1
Wednesday, May 21 - Aug 6
Monday, Jun 9 - Aug 25
Sunday, Jun 15 - Sep 14
Tuesday, Jul 15 - Sep 30
Introduction to Algebra B Self-Paced
Introduction to Algebra B
Tuesday, May 6 - Aug 19
Wednesday, Jun 4 - Sep 17
Sunday, Jun 22 - Oct 19
Friday, Jul 18 - Nov 14
Introduction to Geometry
Sunday, May 11 - Nov 9
Tuesday, May 20 - Oct 28
Monday, Jun 16 - Dec 8
Friday, Jun 20 - Jan 9
Sunday, Jun 29 - Jan 11
Monday, Jul 14 - Jan 19
Paradoxes and Infinity
Mon, Tue, Wed, & Thurs, Jul 14 - Jul 16 (meets every day of the week!)
Intermediate: Grades 8-12
Intermediate Algebra
Sunday, Jun 1 - Nov 23
Tuesday, Jun 10 - Nov 18
Wednesday, Jun 25 - Dec 10
Sunday, Jul 13 - Jan 18
Thursday, Jul 24 - Jan 22
Intermediate Counting & Probability
Wednesday, May 21 - Sep 17
Sunday, Jun 22 - Nov 2
Intermediate Number Theory
Sunday, Jun 1 - Aug 24
Wednesday, Jun 18 - Sep 3
Precalculus
Friday, May 16 - Oct 24
Sunday, Jun 1 - Nov 9
Monday, Jun 30 - Dec 8
Advanced: Grades 9-12
Olympiad Geometry
Tuesday, Jun 10 - Aug 26
Calculus
Tuesday, May 27 - Nov 11
Wednesday, Jun 25 - Dec 17
Group Theory
Thursday, Jun 12 - Sep 11
Contest Preparation: Grades 6-12
MATHCOUNTS/AMC 8 Basics
Friday, May 23 - Aug 15
Monday, Jun 2 - Aug 18
Thursday, Jun 12 - Aug 28
Sunday, Jun 22 - Sep 21
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)
MATHCOUNTS/AMC 8 Advanced
Sunday, May 11 - Aug 10
Tuesday, May 27 - Aug 12
Wednesday, Jun 11 - Aug 27
Sunday, Jun 22 - Sep 21
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)
AMC 10 Problem Series
Friday, May 9 - Aug 1
Sunday, Jun 1 - Aug 24
Thursday, Jun 12 - Aug 28
Tuesday, Jun 17 - Sep 2
Sunday, Jun 22 - Sep 21 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Monday, Jun 23 - Sep 15
Tues & Thurs, Jul 8 - Aug 14 (meets twice a week!)
AMC 10 Final Fives
Sunday, May 11 - Jun 8
Tuesday, May 27 - Jun 17
Monday, Jun 30 - Jul 21
AMC 12 Problem Series
Tuesday, May 27 - Aug 12
Thursday, Jun 12 - Aug 28
Sunday, Jun 22 - Sep 21
Wednesday, Aug 6 - Oct 22
AMC 12 Final Fives
Sunday, May 18 - Jun 15
AIME Problem Series A
Thursday, May 22 - Jul 31
AIME Problem Series B
Sunday, Jun 22 - Sep 21
F=ma Problem Series
Wednesday, Jun 11 - Aug 27
WOOT Programs
Visit the pages linked for full schedule details for each of these programs!
MathWOOT Level 1
MathWOOT Level 2
ChemWOOT
CodeWOOT
PhysicsWOOT
Programming
Introduction to Programming with Python
Thursday, May 22 - Aug 7
Sunday, Jun 15 - Sep 14 (1:00 - 2:30 pm ET/10:00 - 11:30 am PT)
Tuesday, Jun 17 - Sep 2
Monday, Jun 30 - Sep 22
Intermediate Programming with Python
Sunday, Jun 1 - Aug 24
Monday, Jun 30 - Sep 22
USACO Bronze Problem Series
Tuesday, May 13 - Jul 29
Sunday, Jun 22 - Sep 1
Physics
Introduction to Physics
Wednesday, May 21 - Aug 6
Sunday, Jun 15 - Sep 14
Monday, Jun 23 - Sep 15
Physics 1: Mechanics
Thursday, May 22 - Oct 30
Monday, Jun 23 - Dec 15
Relativity
Mon, Tue, Wed & Thurs, Jun 23 - Jun 26 (meets every day of the week!)
0 replies

i Recruiting (Problem Writers & Test-solvers)
LauraZed 983
N
May 8, 2025
by ItzsleepyXD
Do you need help writing a mock contest? Or just want some people to test-solve your mock? Post in this thread!
Make sure you clearly state how others should get in touch with you if they're interested in helping you write problems or test-solving. To keep this thread readable, I'd recommend having them contact you through PM or sign up on a form outside of this thread (but on the flip side, I would strongly advise against giving out your email address or any other personal contact information in this thread – and remember that you can't require people to give any personal information either, per the ToS.)
Make sure you clearly state how others should get in touch with you if they're interested in helping you write problems or test-solving. To keep this thread readable, I'd recommend having them contact you through PM or sign up on a form outside of this thread (but on the flip side, I would strongly advise against giving out your email address or any other personal contact information in this thread – and remember that you can't require people to give any personal information either, per the ToS.)
983 replies
i Tips for Organizing a Mock Contest
Mudkipswims42 59
N
Apr 2, 2025
by PhoenixMathClub
Hello peoples of AoPS! I have decided that for my 7218th post I will help aspiring young problem writers with the organization of their contests. (Note I did not say writing a contest, for that see here)
Well lets get on to it! Here are a few pointers:
[list]1. Write all the problems before making the "advertising" contest post.[/list]
If you need help on making the problems or with proofreading and test-solving, what I would recommend is making a post only asking for help and let them volunteer through PM. Once you have enough helpers, you can always just say in the thread that you have enough; no need for a signup list :). It is better to have two different threads which serve their purpose then one which is unprepared on either side.
[list]2. Make a private forum to create and propose problems in.[/list]
I think a really good way to organize your writing is to make a private forum in which you make the problems. This is helpful because you can individually propose a problem in each thread, and all discussion for that problem (difficulty, placement, quality, etc) can stay in that thread. This keeps everything very organized (you can make an outline thread an announcement, so its clear which problems you are deciding to put on the test). Another reason its helpful, is because you can include the people who are proofreaders or difficulty gauges into the forum, and they can work with you as you go. In order to increase activity, I would recommend telling the users involved to bookmark the private forum, that way they can see if there is a new development.
[list]3. Have a clear idea of how people will submit.[/list]
This is a crucial part in the organization of your contest. You should be clear about it in your contest thread, and clear about it in posts afterward. The two general submission processes are via PM (Private Message), or through a Google form. For a PM, make sure you specify who to add to the PM, and in what format they should submit their answers. Google forms is probably the best way of submitting, as you don't get a cluttered PM box where you might miss a submission or two. On the flip side, you can and may receive troll submissions, but you can delete them pretty easily. There are some general things you want to put on the form: [list]Name, (aka the AoPS username)
*Problem answers* (you can do this problem by problem, and if it's an AMC I would recommend giving the answer choice options)
Comments on the test (You can split this up however you want)
Thanks for submitting (^_^)[/list]
If you don't now how to make a google form and spreadsheet, either ask for someone who does (on the help thread) or learn! (learning how to do spreadsheets is a very helpful)
[list]4. Don't forget post-test management![/list]
It's always a bummer when someone takes the test but the host does not remember to officially end it and open discussion. When posting results be sure to include only those who want to be included in the results. The best way to find this out is asking users through PM when you send them their score report. LaTeX tables are fancy and look sophisticated when posting results, but I recognize that most people cannot make these (I for example can't :P). It's fine to use the old fashioned hidden text to announce the top few scorers and other honorable mentions. If you are a stats guy, be sure to show problem statistics in an organized way; aka don't say random statistics sporadically in your post but instead show a few related stats like most missed and most correct. Remember to thank everyone for their submissions!
[list]5. Create a forum for problem discussion, or post a few questions in main forum based on difficulty.[/list]
This is always a tough question when opening problem discussion: do I create a separate forum or do I post in the main fora. The answer is: it depends. If your contest has many problems, then you don't want to post all of them and end up flooding one of the main fora (Middle School Math, High School Math, or High School Olympiads) with a lot of posts. In that case you should either create a new forum to discuss all problems, or only post the last few on your test, I would recommend the former, as all problems can be discussed :). If your contest is an Olympiad, or something with not too many questions, then by all means post the questions in the main forums! But don't forget: post each question in a forum where its difficulty is accurate. For example, don't post problems from an AMC12 in Middle School Math, or problems from an AMC8 in High School Olympiads! If you have some problems that are Middle School Level, and some that are High School level on your test, then post them in different forums; you can always provide links to each problem in your contest thread. For example, when my group released problems from the All Algebra Assessment we posted some questions in Middle School Math, some in High School Math, and some in High School Olympiads.
When people are discussing be sure to wait to see other solutions, before posting your official ones. Waiting a few days before posting a solution is perfectly fine. You want your problem to be discussed don't you! If your official solution is the same as some other user's then there is no need to post it, as it's just a repeat :P.
Lastly, to help you guys organize your contest post, I have made a sort of template for it :-D! You don't have to follow it exactly, just be sure you include these things in your post:
*Greeting and Introduction*
*Present your contest with your other fellow problem writers* (Example "AceTheIMO, adriel, and I bring you (bigish text)Mudkips Mock!(bigish text))
*Quickly describe contest, including rules*
*Give credit to testsolvers, proofreaders, and other help*
*signups format* (this may or may not be necessary, considering you could just ask the people to submit and that would count as a participation)
*submissions format* (put Google form here if you made one)
*Submission deadline*
*leaderboard* (optional)
*TEST LINK* (if you want to title it use the[code]Title[/code] code or just attach the doc to your post)
*~Sign off*
lastly don't necessarily feel obligated to follow these rules too strictly (weird rule :P)
Well I hope this was helpful, and good luck on your mock! :)
Thanks for reading,
~Mudkipswims42
Well lets get on to it! Here are a few pointers:
[list]1. Write all the problems before making the "advertising" contest post.[/list]
If you need help on making the problems or with proofreading and test-solving, what I would recommend is making a post only asking for help and let them volunteer through PM. Once you have enough helpers, you can always just say in the thread that you have enough; no need for a signup list :). It is better to have two different threads which serve their purpose then one which is unprepared on either side.
[list]2. Make a private forum to create and propose problems in.[/list]
I think a really good way to organize your writing is to make a private forum in which you make the problems. This is helpful because you can individually propose a problem in each thread, and all discussion for that problem (difficulty, placement, quality, etc) can stay in that thread. This keeps everything very organized (you can make an outline thread an announcement, so its clear which problems you are deciding to put on the test). Another reason its helpful, is because you can include the people who are proofreaders or difficulty gauges into the forum, and they can work with you as you go. In order to increase activity, I would recommend telling the users involved to bookmark the private forum, that way they can see if there is a new development.
[list]3. Have a clear idea of how people will submit.[/list]
This is a crucial part in the organization of your contest. You should be clear about it in your contest thread, and clear about it in posts afterward. The two general submission processes are via PM (Private Message), or through a Google form. For a PM, make sure you specify who to add to the PM, and in what format they should submit their answers. Google forms is probably the best way of submitting, as you don't get a cluttered PM box where you might miss a submission or two. On the flip side, you can and may receive troll submissions, but you can delete them pretty easily. There are some general things you want to put on the form: [list]Name, (aka the AoPS username)
*Problem answers* (you can do this problem by problem, and if it's an AMC I would recommend giving the answer choice options)
Comments on the test (You can split this up however you want)
Thanks for submitting (^_^)[/list]
If you don't now how to make a google form and spreadsheet, either ask for someone who does (on the help thread) or learn! (learning how to do spreadsheets is a very helpful)
[list]4. Don't forget post-test management![/list]
It's always a bummer when someone takes the test but the host does not remember to officially end it and open discussion. When posting results be sure to include only those who want to be included in the results. The best way to find this out is asking users through PM when you send them their score report. LaTeX tables are fancy and look sophisticated when posting results, but I recognize that most people cannot make these (I for example can't :P). It's fine to use the old fashioned hidden text to announce the top few scorers and other honorable mentions. If you are a stats guy, be sure to show problem statistics in an organized way; aka don't say random statistics sporadically in your post but instead show a few related stats like most missed and most correct. Remember to thank everyone for their submissions!
[list]5. Create a forum for problem discussion, or post a few questions in main forum based on difficulty.[/list]
This is always a tough question when opening problem discussion: do I create a separate forum or do I post in the main fora. The answer is: it depends. If your contest has many problems, then you don't want to post all of them and end up flooding one of the main fora (Middle School Math, High School Math, or High School Olympiads) with a lot of posts. In that case you should either create a new forum to discuss all problems, or only post the last few on your test, I would recommend the former, as all problems can be discussed :). If your contest is an Olympiad, or something with not too many questions, then by all means post the questions in the main forums! But don't forget: post each question in a forum where its difficulty is accurate. For example, don't post problems from an AMC12 in Middle School Math, or problems from an AMC8 in High School Olympiads! If you have some problems that are Middle School Level, and some that are High School level on your test, then post them in different forums; you can always provide links to each problem in your contest thread. For example, when my group released problems from the All Algebra Assessment we posted some questions in Middle School Math, some in High School Math, and some in High School Olympiads.
When people are discussing be sure to wait to see other solutions, before posting your official ones. Waiting a few days before posting a solution is perfectly fine. You want your problem to be discussed don't you! If your official solution is the same as some other user's then there is no need to post it, as it's just a repeat :P.
Lastly, to help you guys organize your contest post, I have made a sort of template for it :-D! You don't have to follow it exactly, just be sure you include these things in your post:
*Greeting and Introduction*
*Present your contest with your other fellow problem writers* (Example "AceTheIMO, adriel, and I bring you (bigish text)Mudkips Mock!(bigish text))
*Quickly describe contest, including rules*
*Give credit to testsolvers, proofreaders, and other help*
*signups format* (this may or may not be necessary, considering you could just ask the people to submit and that would count as a participation)
*submissions format* (put Google form here if you made one)
*Submission deadline*
*leaderboard* (optional)
*TEST LINK* (if you want to title it use the[code]Title[/code] code or just attach the doc to your post)
*~Sign off*
lastly don't necessarily feel obligated to follow these rules too strictly (weird rule :P)
Well I hope this was helpful, and good luck on your mock! :)
Thanks for reading,
~Mudkipswims42
59 replies
i Mock Contests Forum Guidelines
LauraZed 37
N
Oct 11, 2024
by jb2015007
First, if you...
[list]
[*]...are interested in writing a mock contest yourself, check out this guide for writing a mock contest, and
this post for additional tips on how to organize a mock contest.
[*]...want to find great past mock contests, follow the links in the Mock Contests section of this AoPS Wiki page.
[*]...need other people to help you finish writing a mock contest, or want to help out someone else finish their mock contest, check out this thread.
[/list]
Now that we're past all that, here are the guidelines for how this forum will work:
[list=1]
[*]Don't advertise unfinished mock contests. If your mock contest isn't finished yet and you want to recruit other users to help you finish it or test-solve it, post in this thread instead.
[*]Make sure there's a clear way to participate when you make a post announcing your contest! In other words, if you want to send the contest out to people, let them know how to sign up to receive the contest. On the other hand, if you just include a link to the contest in your announcement, there's no need to ask people to sign up – but make sure to tell them how to submit their answers.
[*]Discussion of each mock contest can take place either in the announcement thread, in a new thread in this forum, or in a discussion forum for the contest. If you want to, it's fine to hold a discussion of the contest in the same thread you announced it. Alternatively, you could start a new thread for discussion once the mock contest is over (in this case, I'd recommend sending in a report on the announcement thread to request that it be locked – then you won't end up with people discussing the test in two places). Finally, you could create a new forum just for discussion of your mock contest if you want people to discuss each problem individually – or you could post a few of your favorite problems in the general math forums.
[*]And, of course, follow general AoPS Community rules, like the AoPS Terms of Service.
[/list]
Have fun creating and solving problems! :laugh:
[list]
[*]...are interested in writing a mock contest yourself, check out this guide for writing a mock contest, and
this post for additional tips on how to organize a mock contest.
[*]...want to find great past mock contests, follow the links in the Mock Contests section of this AoPS Wiki page.
[*]...need other people to help you finish writing a mock contest, or want to help out someone else finish their mock contest, check out this thread.
[/list]
Now that we're past all that, here are the guidelines for how this forum will work:
[list=1]
[*]Don't advertise unfinished mock contests. If your mock contest isn't finished yet and you want to recruit other users to help you finish it or test-solve it, post in this thread instead.
[*]Make sure there's a clear way to participate when you make a post announcing your contest! In other words, if you want to send the contest out to people, let them know how to sign up to receive the contest. On the other hand, if you just include a link to the contest in your announcement, there's no need to ask people to sign up – but make sure to tell them how to submit their answers.
[*]Discussion of each mock contest can take place either in the announcement thread, in a new thread in this forum, or in a discussion forum for the contest. If you want to, it's fine to hold a discussion of the contest in the same thread you announced it. Alternatively, you could start a new thread for discussion once the mock contest is over (in this case, I'd recommend sending in a report on the announcement thread to request that it be locked – then you won't end up with people discussing the test in two places). Finally, you could create a new forum just for discussion of your mock contest if you want people to discuss each problem individually – or you could post a few of your favorite problems in the general math forums.
[*]And, of course, follow general AoPS Community rules, like the AoPS Terms of Service.
[/list]
Have fun creating and solving problems! :laugh:
37 replies
i Hi! I'm Interested in Writing a Mock Contest!
djmathman 209
N
Jan 16, 2023
by MrThinker
Well, that's great news! Art of Problem Solving has a long and storied tradition of mock competitions. It's great to see that you're interested in continuing this tradition! However, know that because the history of mock competitions goes back so long, there is a great deal of honour and responsibility placed onto the young ones who choose to embark on this journey.
I know what you're thinking: "How can I make sure I use this honor to my advantage?" Great question! It all starts with the idea....
[list]
[*]Decide what type of contest you want to write. This may seem like a simple step, but it goes a long way into deciding how the fate of the contest will play out. Choose whether you want to write an AMC8/10/12, an AIME, an USAMO, or something completely new and unexpected. By doing this now, you'll be able to gauge the difficulty of the questions and can set up your mind appropriately. (That being said, you don't have to necessarily stick to your original idea! However, knowing what you're going to write ahead of time is beneficial in terms of organization.)
[*]Start writing problems! Usually a .tex file will suffice. If you're collaborating with others, a Google Doc (with a
add-on such as Auto-Latex Equations enabled) or ShareLaTeX/Overleaf file works best. Keep your questions organized in some sort of shortlist, possibly sorted by category. Don't start organizing questions into the actual contest just yet - it's too early to start pigeonholing yourself! Just start exploring ideas and see what comes. This is probably the time when you'll write the most number of problems per day.
[*]Don't post about the contest on AoPS yet! As is often said... wait darn, I forgot the adage that's quoted here... oops
[/list]
"Wait", but you say, "writing problems is hard D:".
Well, I agree, young one! Nobody ever said administering a contest would be easy. (Well, almost no one.) How exactly does one go over the hurdle of writing problems?
[list]
[*]Write problems backwards. This is one of the standard problem-writing techniques. Essentially, it boils down to "here's an interesting idea - how can I mold it into a problem"?
As an example, consider this problem from NIMO Contest 15. Over the summer, I was interested in writing a problem that revolved around the factorization
. After playing around a bit, I realized that the second factor could be written as
, meaning that I essentially had a functional equation of the form
. This then led me to try writing a telescoping problem. Trying things involving partial fractions didn't work, but working with products did yield something cool. I then realized that what I had created could be molded into a nice-looking form, and after a few more adjustments I came up with the finished product.
[*]Also write problems forwards. This is another one of the standard problem writing techniques. This technique in simplistic form is "here's an interesting idea - what results can I get from it that can turn it into problems"? It seems very similar to the previous bullet point, but in fact it's quite different: here, you have no idea what the end product is going to involve.
As a (very) extreme example, consider this problem from NIMO Contest 21. This problem actually started development two years ago, when I was inspired by an AMSP Team Round question to look at constructing triangles with a given inradius and circumradius. I made no progress on this for a long time, but in February of this year, I realized that the formula
essentially killed the problem I had in mind. With this breakthrough, I hid the true meaning of the question and eventually came up with this.
Around late July 2015, I gave this problem to Evan in a set of problems to check; his interpreted the problem in a completely different manner, responded with "the key observation is <something completely different from what I had intended>" and rephrased the problem in terms of perimeters. This new version I considered nice enough to end up submitting to the NIMO database.
However, the problem still wasn't finished evolving! When putting the problem onto Contest 21, I was unsure of the difficulty (and the configuration, but that's a different story) because it seemed like the problem was too focused around noticing one trick. I played around with the configuration a bit more and found that knowing the distance between the incenters and those two perimeters allowed one to uniquely determine the trapezoid! With this discovery in mind, the problem finally became the finished product put on the contest.
... what was I saying again? Oh right, problems!
[*]Don't artificially inflate the difficulty of problems by adding unnecessary components. This is a common pitfall for beginning problem writers (and experienced ones, too!) As a rule of thumb, the amount of work needed to compute the answer to a question should be at most the amount of work needed to find the main idea, unless the computation is part of the main idea itself. For instance, a problem asking to find the value of
is a bad problem because although the idea of geometric sums is easy, computing
is not.
[*]Using well-known problems as inspiration is okay; using them for the finished product is less okay. Long story short, don't try to put problems that 90% of the participants will have seen before. Of course, if you're running a deadline and the problem is really really obscure, odds are high that nobody will notice, but leaning on this is bad practice, especially in the long run.
[*]Don't overestimate the difficulty of the early problems! This is an extremely common mistake that occurs in user-generated contests. Remember, the AMC's (for example) are meant to be accessible, and as such the early problems are not supposed to be hard. If you're having trouble determining whether a problem is appropriate for the beginning, look at early problems from previous contests and compare them! (Or better yet, have a friend compare them!)
[*]Try to be creative! The problems that are most remembered are the ones that take familiar concepts and twist them in new and interesting ways. This is one of the reasons why Mandelbrot problems are so highly revered - they may not be the hardest problems ever, but you sure can't accuse them for lack of originality! Take care into writing your problems - after all, the contest is your work, and how quality the finished product is can affect the way people perceive you for future projects. (This is easier said than done. Often times, the cure for badproblemaphobia is simple: practice writing more problems! Question-creation is just as much of an art form as mathematics itself.)[/list]
“Okay”, you say. “I have all the problems written, and I’ve made sure all the answers are correct. Now what?”
Well, it’s time to release to the world!
[list]
[*]Advertise your product! Be proud of what you’ve written. But don’t release the test yet! Give your contest time to spread through the community.
[*]Make clear the method in which you have participants sign up. Also, make sure it’s organized. Recently, there have been some mock contests which have had flawed methods of signup and suffered because of it. Think through how you want to administer the contest before you announce it to the AoPS-verse. (These are all important things to ensure a successful mock!)
[*]Recruit testsolvers! It’s easy to look over potentially fatal flaws if you’re the only one who looks over the test before it’s released. Get a few friends to help look it over! Some contests prefer to do this through sign-ups analogous to the normal ones; others just prefer to PM their prospective targets directly. Either way, get a bunch of people to agree, because not everyone will ultimately have time to follow up. (I’m not saying this in an evil and bitter way – it’s just human nature!)
[*]Prepare for the big day! It’s almost here!
[/list]
All right, the lights are on, the stage is set, and the cameras are ready. Action!
[list]
[*]Make the location of your test clear. Once again, be proud of your work!
[*]Take errors with grace. Sometimes, even with test-solvers, mistakes happen! Don’t let them pull you down too much. Make changes to the actual test, notify users (whether in-thread or through PM) of the changes, and adjust scores accordingly.
[*]Ask for feedback! Problem writers are always looking for ways to improve, so give honest criticism! I usually like to achieve this through a few questions at the end of a Google Form. This usually generates healthy participation, although other methods can probably work just as well.
[*]Watch as scores pour in! Whoo!
[/list]
And that’s all! If you have any ques…
“… that’s a lot of work. Are there any examples I can use to convince myself something like this is even possible?”
[list]
[*]All official AMC/AIME contests. These are contests written by people, too! More importantly, many of the individuals who contribute problems to these contests are not professional problem writers – they’re volunteers, willing to put in time to write interesting questions for the world to see.
But I imagine this was not the answer you were looking for? Fine….
[*]Mildorf’s Mock AIMEs. These five AIMEs are often referred to as the gold standards for mock contests. These are really hard (especially for pre-2005 times), and can give you a sense of the potential of what a mock contest can look like.
[*]djmathman’s Mock AMC10/12. Okay, maybe I’m a bit biased here, but I can afford to be a little biased, right? In any case, this AMC was met with generally positive criticism, so there’s that. The AMC10 is probably similar if not a bit easier than usual, while the AMC12 is much easier than usual. (This was the result of announcing the contest prematurely!)
[*]The 2015 Mock AIME I. “Okay seriously man, what’s up with all the bias?” Eh, I still think this is an objectively good example of what a mock AIME should look like, even if the difficulty curve is a bit wonky. (This was originally designed to be a Mock Mandelbrot competition, after all!)
[*]The 2015 Mock AIME II (henrikjb). I haven’t been able to look at all the problems in detail, but I can say that the ones I have looked at are of high quality! Another example of the potential a mock contest can deliver.
[*]Many other examples! These are just the contests I remember. If there’s a good example that I’ve overlooked, feel free to link to it in the comments!
[/list]
“I’ll check those out, thanks!”
Any last questions, young fellow?
“I’m still not sure if this thing is right for me. Can you provide some words of encouragement?”
[list]
[*]Even though AoPS can be a divisive community at times, just remember that we’re all here to support you! Writing contests is hard. Nobody’s gonna give you a hard time for a contest you genuinely put thought and effort into! Just remember: as budding mathematicians, we’re constantly looking for good problems to chow down on; as long as that goal is accomplished, the contest was a success. We’re rooting for you!
[/list]
“Yay! Thanks for all the advice, Mr. Omniscient Voice! Time to start writing problems!”
I know what you're thinking: "How can I make sure I use this honor to my advantage?" Great question! It all starts with the idea....
[list]
[*]Decide what type of contest you want to write. This may seem like a simple step, but it goes a long way into deciding how the fate of the contest will play out. Choose whether you want to write an AMC8/10/12, an AIME, an USAMO, or something completely new and unexpected. By doing this now, you'll be able to gauge the difficulty of the questions and can set up your mind appropriately. (That being said, you don't have to necessarily stick to your original idea! However, knowing what you're going to write ahead of time is beneficial in terms of organization.)
[*]Start writing problems! Usually a .tex file will suffice. If you're collaborating with others, a Google Doc (with a

[*]Don't post about the contest on AoPS yet! As is often said... wait darn, I forgot the adage that's quoted here... oops
[/list]
"Wait", but you say, "writing problems is hard D:".
Well, I agree, young one! Nobody ever said administering a contest would be easy. (Well, almost no one.) How exactly does one go over the hurdle of writing problems?
[list]
[*]Write problems backwards. This is one of the standard problem-writing techniques. Essentially, it boils down to "here's an interesting idea - how can I mold it into a problem"?
As an example, consider this problem from NIMO Contest 15. Over the summer, I was interested in writing a problem that revolved around the factorization



[*]Also write problems forwards. This is another one of the standard problem writing techniques. This technique in simplistic form is "here's an interesting idea - what results can I get from it that can turn it into problems"? It seems very similar to the previous bullet point, but in fact it's quite different: here, you have no idea what the end product is going to involve.
As a (very) extreme example, consider this problem from NIMO Contest 21. This problem actually started development two years ago, when I was inspired by an AMSP Team Round question to look at constructing triangles with a given inradius and circumradius. I made no progress on this for a long time, but in February of this year, I realized that the formula

Around late July 2015, I gave this problem to Evan in a set of problems to check; his interpreted the problem in a completely different manner, responded with "the key observation is <something completely different from what I had intended>" and rephrased the problem in terms of perimeters. This new version I considered nice enough to end up submitting to the NIMO database.
However, the problem still wasn't finished evolving! When putting the problem onto Contest 21, I was unsure of the difficulty (and the configuration, but that's a different story) because it seemed like the problem was too focused around noticing one trick. I played around with the configuration a bit more and found that knowing the distance between the incenters and those two perimeters allowed one to uniquely determine the trapezoid! With this discovery in mind, the problem finally became the finished product put on the contest.
... what was I saying again? Oh right, problems!
[*]Don't artificially inflate the difficulty of problems by adding unnecessary components. This is a common pitfall for beginning problem writers (and experienced ones, too!) As a rule of thumb, the amount of work needed to compute the answer to a question should be at most the amount of work needed to find the main idea, unless the computation is part of the main idea itself. For instance, a problem asking to find the value of


[*]Using well-known problems as inspiration is okay; using them for the finished product is less okay. Long story short, don't try to put problems that 90% of the participants will have seen before. Of course, if you're running a deadline and the problem is really really obscure, odds are high that nobody will notice, but leaning on this is bad practice, especially in the long run.
[*]Don't overestimate the difficulty of the early problems! This is an extremely common mistake that occurs in user-generated contests. Remember, the AMC's (for example) are meant to be accessible, and as such the early problems are not supposed to be hard. If you're having trouble determining whether a problem is appropriate for the beginning, look at early problems from previous contests and compare them! (Or better yet, have a friend compare them!)
[*]Try to be creative! The problems that are most remembered are the ones that take familiar concepts and twist them in new and interesting ways. This is one of the reasons why Mandelbrot problems are so highly revered - they may not be the hardest problems ever, but you sure can't accuse them for lack of originality! Take care into writing your problems - after all, the contest is your work, and how quality the finished product is can affect the way people perceive you for future projects. (This is easier said than done. Often times, the cure for badproblemaphobia is simple: practice writing more problems! Question-creation is just as much of an art form as mathematics itself.)[/list]
“Okay”, you say. “I have all the problems written, and I’ve made sure all the answers are correct. Now what?”
Well, it’s time to release to the world!
[list]
[*]Advertise your product! Be proud of what you’ve written. But don’t release the test yet! Give your contest time to spread through the community.
[*]Make clear the method in which you have participants sign up. Also, make sure it’s organized. Recently, there have been some mock contests which have had flawed methods of signup and suffered because of it. Think through how you want to administer the contest before you announce it to the AoPS-verse. (These are all important things to ensure a successful mock!)
[*]Recruit testsolvers! It’s easy to look over potentially fatal flaws if you’re the only one who looks over the test before it’s released. Get a few friends to help look it over! Some contests prefer to do this through sign-ups analogous to the normal ones; others just prefer to PM their prospective targets directly. Either way, get a bunch of people to agree, because not everyone will ultimately have time to follow up. (I’m not saying this in an evil and bitter way – it’s just human nature!)
[*]Prepare for the big day! It’s almost here!
[/list]
All right, the lights are on, the stage is set, and the cameras are ready. Action!
[list]
[*]Make the location of your test clear. Once again, be proud of your work!
[*]Take errors with grace. Sometimes, even with test-solvers, mistakes happen! Don’t let them pull you down too much. Make changes to the actual test, notify users (whether in-thread or through PM) of the changes, and adjust scores accordingly.
[*]Ask for feedback! Problem writers are always looking for ways to improve, so give honest criticism! I usually like to achieve this through a few questions at the end of a Google Form. This usually generates healthy participation, although other methods can probably work just as well.
[*]Watch as scores pour in! Whoo!
[/list]
And that’s all! If you have any ques…
“… that’s a lot of work. Are there any examples I can use to convince myself something like this is even possible?”
[list]
[*]All official AMC/AIME contests. These are contests written by people, too! More importantly, many of the individuals who contribute problems to these contests are not professional problem writers – they’re volunteers, willing to put in time to write interesting questions for the world to see.
But I imagine this was not the answer you were looking for? Fine….
[*]Mildorf’s Mock AIMEs. These five AIMEs are often referred to as the gold standards for mock contests. These are really hard (especially for pre-2005 times), and can give you a sense of the potential of what a mock contest can look like.
[*]djmathman’s Mock AMC10/12. Okay, maybe I’m a bit biased here, but I can afford to be a little biased, right? In any case, this AMC was met with generally positive criticism, so there’s that. The AMC10 is probably similar if not a bit easier than usual, while the AMC12 is much easier than usual. (This was the result of announcing the contest prematurely!)
[*]The 2015 Mock AIME I. “Okay seriously man, what’s up with all the bias?” Eh, I still think this is an objectively good example of what a mock AIME should look like, even if the difficulty curve is a bit wonky. (This was originally designed to be a Mock Mandelbrot competition, after all!)
[*]The 2015 Mock AIME II (henrikjb). I haven’t been able to look at all the problems in detail, but I can say that the ones I have looked at are of high quality! Another example of the potential a mock contest can deliver.
[*]Many other examples! These are just the contests I remember. If there’s a good example that I’ve overlooked, feel free to link to it in the comments!
[/list]
“I’ll check those out, thanks!”
Any last questions, young fellow?
“I’m still not sure if this thing is right for me. Can you provide some words of encouragement?”
[list]
[*]Even though AoPS can be a divisive community at times, just remember that we’re all here to support you! Writing contests is hard. Nobody’s gonna give you a hard time for a contest you genuinely put thought and effort into! Just remember: as budding mathematicians, we’re constantly looking for good problems to chow down on; as long as that goal is accomplished, the contest was a success. We’re rooting for you!
[/list]
“Yay! Thanks for all the advice, Mr. Omniscient Voice! Time to start writing problems!”
209 replies
77 AMC 10, 41 AMC 12, and Other Mocks Compiled in Google Drive Folder
zhaohm 10
N
3 hours ago
by mpcnotnpc
I always had the dream of having an unlimited amount of high quality and easily accessible AMC mock tests to practice. However, the AoPS Wiki's Mock Contests page takes time to navigate, and there isn't a lot of actual past AMC tests to practice. Therefore, I came to spend 37 hours compiling a folder of the problem (and if available, solution) files of most mock AMC 10/12 tests and some mock AIME, USA(J)MO, etc. tests mentioned in the AoPS Wiki. The folder can be accessed here in google drive.
The AIME, USA(J)MO, and other mocks are not as completely compiled as the AMC 10/12 mocks since although their original problem and solution files may not have been compiled, I realized after working for 10 hours that the user parmenides51 already created compilations of their problem descriptions here in the AoPS Contest Collections page.
Feel free to PM me or post in this topic if you have any comments or suggestions.
Enjoy!
The AIME, USA(J)MO, and other mocks are not as completely compiled as the AMC 10/12 mocks since although their original problem and solution files may not have been compiled, I realized after working for 10 hours that the user parmenides51 already created compilations of their problem descriptions here in the AoPS Contest Collections page.
Feel free to PM me or post in this topic if you have any comments or suggestions.
Enjoy!
10 replies
Math Olympiad Workshops
kokcio 21
N
Yesterday at 8:54 AM
by Roots_Of_Moksha
Hello Math Enthusiasts!
I'm excited to announce a series of free Math Olympiad Workshops designed to help you sharpen your problem-solving skills in preparation for competitions. Whether you're a beginner or a seasoned competitor, these workshops aim to provide a supportive, challenging, and collaborative environment to explore advanced math topics.
Workshop Overview
Duration: 6 months (with the possibility of extending based on participant interest)
Structure: Weekly cycles, each dedicated to one of the main areas of Math Olympiad:
Week 1: Number Theory
Week 2: Geometry
Week 3: Algebra
Week 4: Combinatorics
Weekly Format
Monday: Problem Set Release: Approximately 30 problems will be posted covering the week's topic, which you will have chance to discuss.
Throughout the Week:
Theory Notes: I will share helpful theory and insights relevant to the problem set, giving you the tools you need to approach the problems.
Submission Opportunity: You can work on the problems and submit your solutions. I’ll review your work and provide feedback.
End of the Week: Solutions Post: I’ll release detailed solutions to all problems from the problem set.
Leaderboard: For those interested, we can maintain a table tracking participants who solve the most problems during the week.
Cycle Finale – Mock Contest
At the end of each 4-week cycle, we’ll host a Mock Contest featuring 4 problems (one from each topic). This is a great chance to simulate the competition environment and test your skills in a timed setting. I will review and provide feedback on your contest submissions.
Starting date: June 2
How to participate? Just write /signup under this post.
I believe these workshops will provide a comprehensive, engaging, and collaborative way to tackle Math Olympiad problems. I'm looking forward to seeing your creativity and problem-solving prowess!
If you have any questions or suggestions, please leave a comment below.
I'm excited to announce a series of free Math Olympiad Workshops designed to help you sharpen your problem-solving skills in preparation for competitions. Whether you're a beginner or a seasoned competitor, these workshops aim to provide a supportive, challenging, and collaborative environment to explore advanced math topics.
Workshop Overview
Duration: 6 months (with the possibility of extending based on participant interest)
Structure: Weekly cycles, each dedicated to one of the main areas of Math Olympiad:
Week 1: Number Theory
Week 2: Geometry
Week 3: Algebra
Week 4: Combinatorics
Weekly Format
Monday: Problem Set Release: Approximately 30 problems will be posted covering the week's topic, which you will have chance to discuss.
Throughout the Week:
Theory Notes: I will share helpful theory and insights relevant to the problem set, giving you the tools you need to approach the problems.
Submission Opportunity: You can work on the problems and submit your solutions. I’ll review your work and provide feedback.
End of the Week: Solutions Post: I’ll release detailed solutions to all problems from the problem set.
Leaderboard: For those interested, we can maintain a table tracking participants who solve the most problems during the week.
Cycle Finale – Mock Contest
At the end of each 4-week cycle, we’ll host a Mock Contest featuring 4 problems (one from each topic). This is a great chance to simulate the competition environment and test your skills in a timed setting. I will review and provide feedback on your contest submissions.
Starting date: June 2
How to participate? Just write /signup under this post.
I believe these workshops will provide a comprehensive, engaging, and collaborative way to tackle Math Olympiad problems. I'm looking forward to seeing your creativity and problem-solving prowess!
If you have any questions or suggestions, please leave a comment below.
21 replies
[NATIONALS RELEASED!] Outside the Box MATHCOUNTS series
happypi31415 117
N
May 21, 2025
by Math-lover1
Links:
[list]
[*] School: Sprint, Target, Leaderboard
[*] Chapter: Sprint, Target, Team, Leaderboard
[*] State: Sprint, Target, Leaderboard
[*] Nationals: Sprint, Target
[center]We, happypi31415, Aaronjudgeisgoat, Vivaandax, NoScratchGOD, xHypotenuse, and ethanzhang1001 are proud to present the: [/center]
IMAGE
[center]Thanks to peace09, ghu_who, and ChaitraliKA for testsolving and providing invaluable feedback! :D
All of the problem writers have extensive experience with math competitions and MATHCOUNTS, with 3 of our problem writers qualifying for MATHCOUNTS nationals, 4 AIME qualifers, and with many achieving scores of over 130 on the AMCs. Furthermore, our problem writers have led 4 contests
Please note that everything listed below is subject to change, and will become more specific as details are finallized.

The deadline is for prize elligibility, but you can still take it even if the deadline has passed for practice.
The tests will be released through MathDash. You can take it whenever you wish, but you must take it before the deadline to be elligible for prizes. As soon as you finish, you will be able to access solutions immediately. Please make sure that you use the same MathDash account throughout the competition!
[rule]
How do I sign up?
There isn't actually any need to sign up! However, we recommend signing up in the main thread to gauge interest and to promote the threads visibility for more people to see. :)
To sign up, quote the message of the most recent person who has signed up, put your name in the hide tag, and increment the number on the hide tag by one. After that, remove the quote tags to make sure that it is brand new for the next person that signs up. However, if you are unfamiliar with this method, simply typing /signup is okay; someone will sign up for you. If you wish, you can start off sign-ups by copy and pasting this: Signups(0)
[rule]
Will there be prizes?
Indeed! MathDash has generously agreed to give cash prizes to top performers, and we are trying to get sponsors to add to a potential prize pool as well. This is all subject to change, but we are planning to have the prizes increasing from school to nationals, for a total prize pool of around 500 dollars.
[rule]
How will team rounds work?
On MathDash, it's actually to do team rounds without meeting in person, so teams aren't limited by geographic barriers! To register a team on MathDash, have a designated captain create a team. Then, he'll recieve a code, which the rest of the team can fill in to join the captain's team.
[rule]
Will there be a countdown round?
Not decided yet.
[rule]
Message about cheating:
This goes without saying, but please don't cheat. Above all, we want to foster a supportive and welcoming environment, built on trust, where math enthusiasts of all skill levels can thrive. Cheating undermines all of that; by cheating, you are depriving yourself of an opportunity to develop your math skill and learn from mistakes. Math is about struggle, and taking the easy way out goes against these core ideals. On the other hand, acting honestly builds character and a sense of genuine achievement that lasts for a lifetime.
Additionally, MathDash has implemented anti-cheating methods that make potential cheating extremely difficult, and we will deal with any potential suspicious activity on a case-by-case basis. However, if you behave honestly, you won't need to worry about any of that. :)
[rule]
We sincerely hope you enjoy taking part of this competition as much as we did making it, and wish you all best of luck in this years contest series!
[list]
[*] School: Sprint, Target, Leaderboard
[*] Chapter: Sprint, Target, Team, Leaderboard
[*] State: Sprint, Target, Leaderboard
[*] Nationals: Sprint, Target
[center]We, happypi31415, Aaronjudgeisgoat, Vivaandax, NoScratchGOD, xHypotenuse, and ethanzhang1001 are proud to present the: [/center]
IMAGE
[center]Thanks to peace09, ghu_who, and ChaitraliKA for testsolving and providing invaluable feedback! :D
All of the problem writers have extensive experience with math competitions and MATHCOUNTS, with 3 of our problem writers qualifying for MATHCOUNTS nationals, 4 AIME qualifers, and with many achieving scores of over 130 on the AMCs. Furthermore, our problem writers have led 4 contests
the Outside The Box Math Competition (250 competitors), the Geometry Marathon (Over 400 competitors), and the CT17 Mathdash Mondays (500 competitors across two contests).
that have had over 1,150 participants combined. In addition, this series have been in development for nearly two years, during which hundreds of problems were produced, testsolved, and carefully evaluated to ensure you the best testing experience possible.Please note that everything listed below is subject to change, and will become more specific as details are finallized.

The deadline is for prize elligibility, but you can still take it even if the deadline has passed for practice.
The tests will be released through MathDash. You can take it whenever you wish, but you must take it before the deadline to be elligible for prizes. As soon as you finish, you will be able to access solutions immediately. Please make sure that you use the same MathDash account throughout the competition!
[rule]
How do I sign up?
There isn't actually any need to sign up! However, we recommend signing up in the main thread to gauge interest and to promote the threads visibility for more people to see. :)
To sign up, quote the message of the most recent person who has signed up, put your name in the hide tag, and increment the number on the hide tag by one. After that, remove the quote tags to make sure that it is brand new for the next person that signs up. However, if you are unfamiliar with this method, simply typing /signup is okay; someone will sign up for you. If you wish, you can start off sign-ups by copy and pasting this: Signups(0)
1. [Put your name here]
[rule]
Will there be prizes?
Indeed! MathDash has generously agreed to give cash prizes to top performers, and we are trying to get sponsors to add to a potential prize pool as well. This is all subject to change, but we are planning to have the prizes increasing from school to nationals, for a total prize pool of around 500 dollars.
[rule]
How will team rounds work?
On MathDash, it's actually to do team rounds without meeting in person, so teams aren't limited by geographic barriers! To register a team on MathDash, have a designated captain create a team. Then, he'll recieve a code, which the rest of the team can fill in to join the captain's team.
[rule]
Will there be a countdown round?
Not decided yet.
[rule]
Message about cheating:
This goes without saying, but please don't cheat. Above all, we want to foster a supportive and welcoming environment, built on trust, where math enthusiasts of all skill levels can thrive. Cheating undermines all of that; by cheating, you are depriving yourself of an opportunity to develop your math skill and learn from mistakes. Math is about struggle, and taking the easy way out goes against these core ideals. On the other hand, acting honestly builds character and a sense of genuine achievement that lasts for a lifetime.
Additionally, MathDash has implemented anti-cheating methods that make potential cheating extremely difficult, and we will deal with any potential suspicious activity on a case-by-case basis. However, if you behave honestly, you won't need to worry about any of that. :)
[rule]
We sincerely hope you enjoy taking part of this competition as much as we did making it, and wish you all best of luck in this years contest series!
117 replies
The second MAMC 8!
evt917 18
N
May 16, 2025
by iwastedmyusername
Surprise!! The MAMC team has released the...
IMAGE
Welcome to the first ever MAMC (lame name, it stands for Mock AMC)! This time, the MAMC committee (evt917, MathLoverYeah, and PatTheKing806), has released another mock: The second MAMC 8 (obviously a mock AMC 8).
evt917 and the MAMC committee will also create AMC 10 and possibly 12 mocks in the future (not until very soon though).
Type \signup to signup! Note that you have one week time to finish and give your answers to me once you signup. The signup deadline is all the way until three days before the AMC 8 (you can take the test after the deadline, but evt917 will not grade them and will not put you on the leaderboard). However, the solutions will be released in mid-January. Please do not look at the answers (unless you already took the test)!!! Please don't post your scores unless you signup! :D
Note that there wouldn't be a signup list because evt917 is too lazy to do it.
[rule]
Credits
How will I get my scores?
I want to join the MAMC committee!
Leaderboard
Wait! I don't want to be recorded into the leaderboard!
What if I find something wrong in the answer key?
How about errors other than the answer key?
What audience is this test intended for?
Can I take this multiple times?
Error log
People who were accepted into the MAMC committee for the future
One of my questions isn't answered here!
Thank you for taking it! I hope you have a fun time (and remember not to cheat!) :)
IMAGE
Welcome to the first ever MAMC (lame name, it stands for Mock AMC)! This time, the MAMC committee (evt917, MathLoverYeah, and PatTheKing806), has released another mock: The second MAMC 8 (obviously a mock AMC 8).
evt917 and the MAMC committee will also create AMC 10 and possibly 12 mocks in the future (not until very soon though).
Type \signup to signup! Note that you have one week time to finish and give your answers to me once you signup. The signup deadline is all the way until three days before the AMC 8 (you can take the test after the deadline, but evt917 will not grade them and will not put you on the leaderboard). However, the solutions will be released in mid-January. Please do not look at the answers (unless you already took the test)!!! Please don't post your scores unless you signup! :D
Note that there wouldn't be a signup list because evt917 is too lazy to do it.
[rule]
Credits
Our problems are all original, but occasionally we use Alcumus for inspiration.
How will I get my scores?
PM your answers to evt917 in this format.
Say you got A for all the problems. You will submit [code]AAAAA \ AAAAA \ AAAAA \ AAAAA \ AAAAA[/code] as your answer format. Make sure to use a backslash (\) to seperate every five answers. He will review it and will send your score back. It will also be recorded into the leaderboard (if applicable)
I want to join the MAMC committee!
That's great! If you want, send me a PM and you'll probably get accepted.
Leaderboard
The top scorers! Once you're done, type the score in here, and it will get recorded! Do not feel bad if you're name is not on here, everybody's still learning :D. Please do not cheat. It doesn't help you, and it will inflate the leaderboard. If suspicious action is found, then the MAMC committee will send you a PM asking if you cheated.
AVERAGE OF ALL THE SCORES SO FAR: 20.7
1. Dream9 - 22
2. jocaleby1 - 20
3. Leeoz - 20
4.
5.
AVERAGE OF ALL THE SCORES SO FAR: 20.7
1. Dream9 - 22
2. jocaleby1 - 20
3. Leeoz - 20
4.
5.
Wait! I don't want to be recorded into the leaderboard!
In that case, tell me in your answers PM.
What if I find something wrong in the answer key?
Yep, very normal. Even test-writers make mistakes sometimes. Send evt917 a PM if you think one of the answer key solutions are incorrect. Full, detailed solutions are to be released by early December.
How about errors other than the answer key?
Same thing, send evt917 a PM. Grammar mistakes, picture mistakes, and wording mistakes are all mistakes that could happen.
What audience is this test intended for?
Recommended for 8th graders and below, because that's the grade range for the official AMC 8. However, anybody can take it!
Can I take this multiple times?
Yes, but only your first score will be recorded.
Error log
1. The first version was full of errors. The test was redacted. The MAMC committee fixed problems 7,12,13,22, and 24.
2. Fixed Problem 6 answer choices
3. Added missing problem 10 solution.
2. Fixed Problem 6 answer choices
3. Added missing problem 10 solution.
People who were accepted into the MAMC committee for the future
Current Members:
Dream9
PatTheKing806
Quantum-Phantom
jocaleby1
MathLoverYeah
New members:
mayowl
Dream9
PatTheKing806
Quantum-Phantom
jocaleby1
MathLoverYeah
New members:
mayowl
One of my questions isn't answered here!
PM evt917 for any other questions regarding the MAMC 8.
Thank you for taking it! I hope you have a fun time (and remember not to cheat!) :)
18 replies
2025 ELMOCOUNTS - Mock MATHCOUNTS Nationals
vincentwant 158
N
May 13, 2025
by MathPerson12321
text totally not copied over from wmc (thanks jason <3)
Quick Links:
[list=disc]
[*] National: (Sprint) (Target) (Team) (Sprint + Target Submission) (Team Submission) [/*]
[*] Miscellaneous: (Leaderboard) (Sprint + Target Private Discussion Forum) (Team Discussion Forum)[/*]
[/list]
-----
Eddison Chen (KS '22 '24), Aarush Goradia (CO '24), Ethan Imanuel (NJ '24), Benjamin Jiang (FL '23 '24), Rayoon Kim (PA '23 '24), Jason Lee (NC '23 '24), Puranjay Madupu (AZ '23 '24), Andy Mo (OH '23 '24), George Paret (FL '24), Arjun Raman (IN '24), Vincent Wang (TX '24), Channing Yang (TX '23 '24), and Jefferson Zhou (MN '23 '24) present:
[center]IMAGE[/center]
[center]Image credits to Simon Joeng.[/center]
2024 MATHCOUNTS Nationals alumni from all across the nation have come together to administer the first-ever ELMOCOUNTS Competition, a mock written by the 2024 Nationals alumni given to the 2025 Nationals participants. By providing the next generation of mathletes with free, high quality practice, we're here to boast how strong of an alumni community MATHCOUNTS has, as well as foster interest in the beautiful art that is problem writing!
The tests and their corresponding submissions forms will be released here, on this thread, on Monday, April 21, 2025. The deadline is May 10, 2025. Tests can be administered asynchronously at your home or school, and your answers should be submitted to the corresponding submission form. If you include your AoPS username in your submission, you will be granted access to the private discussion forum on AoPS, where you can discuss the tests even before the deadline.
[list=disc]
[*] "How do I know these tests are worth my time?"
[*] "Who can participate?"
[*] "How do I sign up?"
[*] "What if I have multiple students?"
[*] "What if a problem is ambiguous, incorrect, etc.?"
[*] "Will there be solutions?"
[*] "Will there be a Countdown Round administered?"
[/list]
If you have any other questions, feel free to email us at elmocounts2025@gmail.com (or PM me)!
Quick Links:
[list=disc]
[*] National: (Sprint) (Target) (Team) (Sprint + Target Submission) (Team Submission) [/*]
[*] Miscellaneous: (Leaderboard) (Sprint + Target Private Discussion Forum) (Team Discussion Forum)[/*]
[/list]
-----
Eddison Chen (KS '22 '24), Aarush Goradia (CO '24), Ethan Imanuel (NJ '24), Benjamin Jiang (FL '23 '24), Rayoon Kim (PA '23 '24), Jason Lee (NC '23 '24), Puranjay Madupu (AZ '23 '24), Andy Mo (OH '23 '24), George Paret (FL '24), Arjun Raman (IN '24), Vincent Wang (TX '24), Channing Yang (TX '23 '24), and Jefferson Zhou (MN '23 '24) present:
[center]IMAGE[/center]
[center]Image credits to Simon Joeng.[/center]
2024 MATHCOUNTS Nationals alumni from all across the nation have come together to administer the first-ever ELMOCOUNTS Competition, a mock written by the 2024 Nationals alumni given to the 2025 Nationals participants. By providing the next generation of mathletes with free, high quality practice, we're here to boast how strong of an alumni community MATHCOUNTS has, as well as foster interest in the beautiful art that is problem writing!
The tests and their corresponding submissions forms will be released here, on this thread, on Monday, April 21, 2025. The deadline is May 10, 2025. Tests can be administered asynchronously at your home or school, and your answers should be submitted to the corresponding submission form. If you include your AoPS username in your submission, you will be granted access to the private discussion forum on AoPS, where you can discuss the tests even before the deadline.
[list=disc]
[*] "How do I know these tests are worth my time?"
See our credentials at the top of the post - every member of our problem-writing committee is an alumnus of the 2024 MATHCOUNTS National Competition. Additionally, many of us have written problems for previous contests such as WMC.
[/*][*] "Who can participate?"
Anyone may participate in any stage of the competition, regardless of age or their previous scores!
[/*][*] "How do I sign up?"
Signing up is neither mandatory nor binding, but it adds this thread to your feed for update, as well as shows us support :). You can do so in a reply to this thread by adding your username to the list and incrementing the count.
[/*][*] "What if I have multiple students?"
You can administer all of them together, then have each student submit their answers separately. For the Team round (if any, see below), have the captain submit the team's answers once. One school may have as many teams as they like.
[/*][*] "What if a problem is ambiguous, incorrect, etc.?"
If you are taking the test and think there is an error in one of the problems, skip the problem and keep going (as you would in an actual competition). After the timer goes off, email us at elmocounts2025@gmail.com (do not spoil it in this thread!).
[/*][*] "Will there be solutions?"
Official solutions will be released publicly after the corresponding submission deadline. In the meantime, you can see what others have shared in the private discussion forum. If you're still stuck on one of the problems, feel free to ask in the forum or email us at elmocounts2025@gmail.com and we'd be happy to help.
[/*][*] "Will there be a Countdown Round administered?"
If you all are interested in having a Countdown Round administered at the 2025 National Competition, let us know below or in the form - if enough people are interested, we may write a Countdown Round.
[/*][/list]
If you have any other questions, feel free to email us at elmocounts2025@gmail.com (or PM me)!
158 replies
2025 RAMC 10
Andyluo 46
N
May 6, 2025
by jb2015007
We, andyluo, MC_ADe, Arush Krisp, pengu14, mathkiddus, vivdax present...
IMAGE
About Test Taking
Test: RAMC 10
Leaderboard Yet to be released
mods can you keep this in c & p until it finishes please
To gain access to the private discussion forum, either private message me on AOPS with your Mathdash account, or simply ask and label your AOPS on the Mathdash discussion page.
Forum
IMAGE
About
This test is designed to be as accurate as possible to the AMC 10, with a carefully chosen set of questions out of a list of
high-quality questions. This test was created by multiple 130+ scorers, and we have tried our very best to produce the highest quality test possible. We've blended the question types in a good distribution, and maintained a realistic difficulty. (something most AOPS mocks fail at)
Errata(0)
The test will be hosted on Mathdash; simply go to the test link and take it timed in your browser. Mathdash allows for a very smooth way to take tests, which is why we are currently using it. Simply log in, create an account with Google, and go right ahead! (The test is live-timed, so only start when you're ready)
DiscussionAll discussion on this test can be done in the individual problem sets that Mathdash has created in the "Problem Discussion" tab; feel free to discuss there! There is also a private discussion forum which we would prefer that you use to discuss.
Test IntegrityPlease understand that this is simply just a practice test, and there is nothing to gain from cheating. Do not discuss any questions in this thread; strictly only on the Mathdash website.
Notes/CreditsThank you Jason, for this wonderful Template! Also, no sign-ups are necessary.
Test: RAMC 10
Leaderboard Yet to be released
mods can you keep this in c & p until it finishes please
To gain access to the private discussion forum, either private message me on AOPS with your Mathdash account, or simply ask and label your AOPS on the Mathdash discussion page.
Forum
46 replies
2025 AMC 9?
c_double_sharp 33
N
May 2, 2025
by Nioronean
[center]2025 AMC 9?[/center]
[rule]The difficulty jump from the AMC 8 and AMC 10 is rather large, so this test is designed to be a stepping stone between the two.
AMC 9? committee
Test Rules
Important Dates
Leaderboard
Errata
Other Info
link to test
link to submission form
link to private discussion forum
Good luck!
[rule]The difficulty jump from the AMC 8 and AMC 10 is rather large, so this test is designed to be a stepping stone between the two.
AMC 9? committee
Problem Writers
Testsolvers
c_double_sharp
Testsolvers
MathPerson12321
Nioronean
Nioronean
Test Rules
60 minutes, no calculator or any aids except non-graphing scratchpaper, 25 multiple choice questions. The scoring is the same as an AMC 10/12. ?
6 pts per correct answer, 1.5 pts per blank answer, 0 pts per incorrect answer
Important Dates
Submissions end on 5/31/2025 at 11:59pm EDT
Leaderboard

Errata
P2 had the wrong answer correct in the Google Form. This has since been fixed.
P19 had a minor clarification in the problem statement.
P25's correct answer was not in the answer choices. This has been fixed and everyone who took the test before 12:33pm MDT gets credit for it.
P19 had a minor clarification in the problem statement.
P25's correct answer was not in the answer choices. This has been fixed and everyone who took the test before 12:33pm MDT gets credit for it.
Other Info
Answers will be submitted via Google Forms.
If you find any errors on the test, there will be a section on the Google Form to write them. The committee will attempt to solve this issue ASAP.
If you find any errors on the test, there will be a section on the Google Form to write them. The committee will attempt to solve this issue ASAP.
link to test
link to submission form
link to private discussion forum
Good luck!
33 replies
[RELEASED] Mock State MATHCOUNTS (an OMO Team Project)
Mathscienceclass 69
N
May 2, 2025
by Andyluo
The phat bohan carries 3 n00bs OMO Team
Originally, mathleticguyyy and I started creating this around the time of our chapter contests, in the hope that we'd have a beneficial resource for you guys to practice for your State competitions. Then quarantine came, so we didn't have as much pressure to create it so quickly, and we spent more time trying to make this test the best quality possible. The Online Math Open came around, and we got solver1104 and I-_-I on board.
Of course, you guys are sad that the MATHCOUNTS season was cancelled. 8th graders, you can use this test for REVENGE for your missing National qualifications. Anyone else can take this just for practice, of course!
-----
You may sign up, though it's not necessary.
To submit, shoot me (Mathscienceclass), mathleticguyyy, or I-_-I (all capital "i"s) a Private Message. There's nothing special here, just submit the answers in a way that we can read them! Note that if you edit the initial message in which you sent the answers, we reserve the right to disqualify you.
There is no set deadline yet, but if we wish to end this, we will announce the date ahead of time. Once over, the solutions will be released here. All discussion should only happen in the discussion forum, which you obtain access to after submitting. It is linked here!
Here are the problems:
Sprint
Target
-----
Rules
Scoring
Errata
Leaderboard
-----
[center]Special thanks to solver1104 and I-_-I for testsolving and providing invaluable feedback, as well as scrabbler94 for giving several useful tips for the
template.
Shoutout to Puddles_Penguin as well because he was in place of solver1104 for Fall OMO :-D (and because he wanted a shoutout :P).[/center]
-----
Happy solving! ~ phat bohan carries 3 n00bs OMO Team
solver1104, I-_-I, mathleticguyyy, and I
present to you a [center]MOCK STATE MATHCOUNTS[/center]Originally, mathleticguyyy and I started creating this around the time of our chapter contests, in the hope that we'd have a beneficial resource for you guys to practice for your State competitions. Then quarantine came, so we didn't have as much pressure to create it so quickly, and we spent more time trying to make this test the best quality possible. The Online Math Open came around, and we got solver1104 and I-_-I on board.
Of course, you guys are sad that the MATHCOUNTS season was cancelled. 8th graders, you can use this test for REVENGE for your missing National qualifications. Anyone else can take this just for practice, of course!
-----
You may sign up, though it's not necessary.
To submit, shoot me (Mathscienceclass), mathleticguyyy, or I-_-I (all capital "i"s) a Private Message. There's nothing special here, just submit the answers in a way that we can read them! Note that if you edit the initial message in which you sent the answers, we reserve the right to disqualify you.
There is no set deadline yet, but if we wish to end this, we will announce the date ahead of time. Once over, the solutions will be released here. All discussion should only happen in the discussion forum, which you obtain access to after submitting. It is linked here!
Here are the problems:
Sprint
Target
-----
Rules
Sprint
Target
This section of the competition consists of 30 problems. You will have 40 minutes to complete all the problems. You are not allowed to use calculators, books or other aids during this round. If you are wearing a calculator wrist watch, please give it to your proctor now. Calculations may be done on scratch paper. All answers must be complete, legible and simplified to lowest terms. Record only final answers in the blanks in the left-hand column of the competition booklet. If you complete the problems before time is called, use the remaining time to check your answers. In each written round of the competition, the required unit for the answer is included in the answer blank. The plural form of the unit is always used, even if the answer appears to require the singular form of the unit. The unit provided in the answer blank is the only form of the answer that will be accepted.
Target
This section of the competition consists of eight problems, which will be presented in pairs. Work on one pair of problems will be completed and answers will be collected before the next pair is distributed. The time limit for each pair of problems is six minutes. The first pair of problems is on the other side of this sheet. When told to do so, turn the page over and begin working. This round assumes the use of calculators, and calculations also may be done on scratch paper, but no other aids are allowed. All answers must be complete, legible and simplified to lowest terms. Record only final answers in the blanks in the left-hand column of the problem sheets. If you complete the problems before time is called, use the time remaining to check your answers.
Scoring
Your score will be computed as the sum of the amount of sprint questions you solve correctly and
times the amount of target questions you solve correctly. For example, if you solve
sprint questions correctly and
target questions correctly, you would receive a
.




Errata
Leaderboard

-----
[center]Special thanks to solver1104 and I-_-I for testsolving and providing invaluable feedback, as well as scrabbler94 for giving several useful tips for the

Shoutout to Puddles_Penguin as well because he was in place of solver1104 for Fall OMO :-D (and because he wanted a shoutout :P).[/center]
-----
Happy solving! ~ phat bohan carries 3 n00bs OMO Team
solver1104, I-_-I, mathleticguyyy, and I
69 replies
[CONCLUDED] 2024 TMC AMC Series
vincentwant 52
N
Apr 26, 2025
by parmenides51
(This thread is a replica of this thread in AoPS Mock Contests. I'm reposting it here because of the approaching AMC 10 this November, and the current lack of submissions for the AIME (3 submissions in 3 months).)
(Edit: This thread was moved to Mock Contests as well lol)
The 2024 Texas MATHCOUNTS Team, Channing Yang, Drake Tan, Vincent Wang, and Nathan Liu present:
IMAGE
Leaderboard (AMC 10)
Leaderboard (AIME)
About this mock
Rules
Signing up
Errata (AMC 10)
Errata (AIME)
Submissions for the AMC 10 are closed. The AIME is currently open! The deadline for the AIME is February 12, 2025.
To submit, send a PM to vincentwant with all of your answers. Your AoPS username will be displayed on the leaderboard unless you choose to stay anonymous. You will also be added to the private discussion forum for the respective contest: AMC 10 AIME
If you think there is an error in one of the problems, continue with the test as usual and tell me about it when you submit the answers.
Anyway, without further ado, good luck!
(Edit: This thread was moved to Mock Contests as well lol)
The 2024 Texas MATHCOUNTS Team, Channing Yang, Drake Tan, Vincent Wang, and Nathan Liu present:
IMAGE
Leaderboard (AMC 10)

Leaderboard (AIME)

About this mock
Thie mock AMC 10 was primarily written on the plane from Washington, D.C. to Dallas, primarily written in about three hours. (As such, you shouldn't expect the highest quality :P but it's alright)
Problem Writers: Nathan Liu, Vincent Wang, Drake Tan, Channing Yang
Testsolvers: Channing Yang
The mock AIME was primarily written by Vincent Wang and Nathan Liu and, in my opinion, is much higher quality than the AMC 10 (we actually spent time on this :P). There are also some testsolvers that are not part of the Texas MATHCOUNTS Team, Richard Wang and Ethan Imanuel (not TX).
Problem Writers: Nathan Liu, Vincent Wang, Drake Tan, Channing Yang
Testsolvers: Channing Yang
The mock AIME was primarily written by Vincent Wang and Nathan Liu and, in my opinion, is much higher quality than the AMC 10 (we actually spent time on this :P). There are also some testsolvers that are not part of the Texas MATHCOUNTS Team, Richard Wang and Ethan Imanuel (not TX).
Rules
AMC 10 - The rules are identical to the AMC 10 - 75 minutes for 25 questions, each multiple choice. A correct answer gives 6 points, a blank answer gives 1.5 points, and an incorrect answer gives 0 points.
AIME - The rules are identical to the AIME - 3 hours for 15 questions, the answer to each is an integer from 000 to 999. Each correct answer is worth 1 point and a blank or incorrect answer is worth 0 points.
AIME - The rules are identical to the AIME - 3 hours for 15 questions, the answer to each is an integer from 000 to 999. Each correct answer is worth 1 point and a blank or incorrect answer is worth 0 points.
Signing up
Signing up is neither mandatory nor binding, but it adds this thread to your feed for updates, as well as shows us support :). You can do so in a reply to this thread by adding your username to the list and incrementing the count. text copied from peace09
Errata (AMC 10)
P8, P10 and P23 - Answer choices were incorrect. This has been fixed
P25 - There was an error in the problem statement. This has been fixed
P21 - There was an error in the problem statement. This has been fixed and everyone who submitted prior to June 12, 2024 at 5:26 PM CDT gets credit for this problem.
P25 - There was an error in the problem statement. This has been fixed
P21 - There was an error in the problem statement. This has been fixed and everyone who submitted prior to June 12, 2024 at 5:26 PM CDT gets credit for this problem.
Errata (AIME)
P12 - There was an error in the problem statement. This has been fixed
P7 - There was an error in the answer key. This has been fixed
P7 - There was an error in the answer key. This has been fixed
Submissions for the AMC 10 are closed. The AIME is currently open! The deadline for the AIME is February 12, 2025.
To submit, send a PM to vincentwant with all of your answers. Your AoPS username will be displayed on the leaderboard unless you choose to stay anonymous. You will also be added to the private discussion forum for the respective contest: AMC 10 AIME
If you think there is an error in one of the problems, continue with the test as usual and tell me about it when you submit the answers.
Anyway, without further ado, good luck!
52 replies
Mock contest (RMO) (RELEASED!)
TheDarkPrince 319
N
Apr 20, 2025
by 827681
Contest organizers: Kayak and me :)
Mock RMO problems
Problems
Leaderboard:

IMAGE
Mock RMO problems
Problems
Problem 1 Let
such that
. Prove that ![\[\sqrt[4]{(1-a^4)(1-b^4)(1-c^4)(1-d^4)}\geq 255\cdot abcd.\]](//latex.artofproblemsolving.com/d/e/6/de61611f628ea796c706d05941d7ee9b3fc22916.png)
Problem 2 Call a sequence of infinite positive integers
to be polynomial like if
for all
. A sequence
of positive integers is called Mahismatian if there's a constant
such that
for all
. Prove that if a polynomial like sequence
is Mahismatian then there exists fixed constants
with
for all
.
Problem 3 A non-degenerate triangle
is given in the plane, let
be the set of points which lie strictly inside it. Also let
be the set of circles in the plane. For a point
, let
be the reflection of
in sides
respectively. Define a function
such that
is the circumcircle of
. Is
injective?
Note: The function
is called injective if for any
, 
Problem 4 Let
, and
be a positive integer. and
denote the number of solutions to
, where
is allowed to vary on the set of positive integers
[list=1][*] Prove there's a constant
such that
for all
, and
infintiely many often.
[*] Let
. Prove there are infinitely many primes
such that
divides atleast one element of
[/list]
Note: It's not terribly hard to see that the equation
can have finitely many (possibly zero) solutions for fixed
, so
is well defined.
Problem 5 Let
be a triangle with circumcircle
,
be the foot of altitudes from
onto the opposite sides respectively and
the orthocentre. Reflect
across the line
to obtain
. Suppose there exists points
such that
is the incentre of
. If
and
be the midpoints of
and
respectively, then show that
are collinear.
Problem 6 Let
be a positive integer. There're
roads in Mahismati, no three roads are concurrent and no two roads are parallel (so each two of them intersect). Number all possible
angles formed by intersection points with
in any order.
Baahubali moves in the road in the following way: he starts at an point in the road, moves forward until he reaches an intersection and every time he meets an intersection, he moves either left or right, alternating his choice at each intersection point.
Now, for a path traced by Baahubali, we say the path touches a numbered angle
if he goes through
, turns at the intersection point around the angle and then continues to
(or vice versa). Katappa colors two numbers
with
with the same color iff there's a path traced by Baahubali which touches the angles numbered
simultaneously.
Is it true that atleast
colors will be used by Katappa to color all the numbers?
Example for
: In the picture attached below, total
colors will be used to color the numbers in each set with same color
. The numbers
will be colored with the same color because the red path traced by Baahubali touches the angles
.
IMAGE


![\[\sqrt[4]{(1-a^4)(1-b^4)(1-c^4)(1-d^4)}\geq 255\cdot abcd.\]](http://latex.artofproblemsolving.com/d/e/6/de61611f628ea796c706d05941d7ee9b3fc22916.png)
Problem 2 Call a sequence of infinite positive integers











Problem 3 A non-degenerate triangle











Note: The function



Problem 4 Let





[list=1][*] Prove there's a constant




[*] Let




Note: It's not terribly hard to see that the equation



Problem 5 Let
















Problem 6 Let




Baahubali moves in the road in the following way: he starts at an point in the road, moves forward until he reaches an intersection and every time he meets an intersection, he moves either left or right, alternating his choice at each intersection point.
Now, for a path traced by Baahubali, we say the path touches a numbered angle






Is it true that atleast

Example for





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Leaderboard:

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![\[\text{Average score of each problem (out of 17)}.\]](http://latex.artofproblemsolving.com/a/a/d/aada9166e7a409b02f8f7355bb9e60800298c4b5.png)
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