Introduction to Counting & Probability Online Math Course
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# Introduction to Counting & Probability

Fundamentals of counting and probability, including casework, multiplication, permutations, combinations, Pascal's triangle, probability, combinatorial identities, and the Binomial Theorem.

12 weeks

#### Diagnostics

ARE YOU READY? DO YOU NEED THIS?

SYLLABUS
12 weeks

### AoPS Holidays

There are no classes May 29–31, July 3–5, and September 4–6.

### Who Should Take?

This course is appropriate for students in grades 6-9 who have mastered basic algebra up through solving linear equations and manipulating multi-variable expressions. Students who have completed our Introduction to Algebra A course should have sufficient background. This course is roughly the same difficulty as our Introduction to Number Theory class. For those preparing for contests, this course should help with MATHCOUNTS and the AMC 8/10/12 tests.

### Lessons

 Lesson 1 Lists, Venn Diagrams, Addition, Multiplication Lesson 2 Casework, Constructions, and Restriction Lesson 3 Overcounting and Combinations Lesson 4 Combinations and Distinguishability Lesson 5 Challenging Problems Day Lesson 6 Introduction to Probability Lesson 7 Probability and Arithmetic Lesson 8 Geometric Probability, Think About It!, and Expected Value Lesson 9 Pascal's Triangle and Identities Lesson 10 The Hockey Stick Identity Lesson 11 The Binomial Theorem Lesson 12 Challenging Problems Day 2

### Required Textbook

 Introduction to Counting & Probability By David Patrick A thorough introduction for students in grades 7-10 to counting and probability topics such as permutations, combinations, Pascal's triangle, geometric probability, basic combinatorial identities, the Binomial Theorem, and more.

This class was lots of fun, yet at the same time very instructive. It transformed my whole thinking process about counting and probability and made me a much stronger math student. Thanks again AoPS for another fun class!