This course will teach you how to approach combinatorics problems and help you learn several helpful tools and techniques to solve them in the AMC8 and AMC10 contests.
Counting and Probability
Free
Intermediate
Video
Contest Math
6 Lessons
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Counting and Probability
Welcome to 1st lesson of Flashmath AMC class series that focus on Combinatorics. In this lesson you will learn the fundamental counting techniques, and how to properly apply them.
Free
Welcome to the 2nd lesson of Flashmath AMC class series that focus on Combinatorics. In this lesson you will learn the highly effective "Recurring" technique to speed up your combo problem solving.
Free
Welcome to the 3rd lesson of Flashmath AMC class series that focus on Combinatorics. In this lesson you will be introduced to concept of "Binomial Coefficient", and how to properly use it.
Free
Welcome to the 4th lesson of Flashmath AMC class series that focus on Combinatorics. In this lesson you will learn the key concept of "Sets", and how to use it effectively to accelerate combo problem solving.
Free
Welcome to the 5th lesson of Flashmath AMC class series that focus on Combinatorics. In this lesson you will learn the versatile "Partition" technique to give your combo problem another boost in speed.
Free
Welcome to the 6th lesson of Flashmath AMC class series that focus on Combinatorics. In this lesson you will learn the key concept of "Expected Value", and how to use it effectively to accelerate combo problem solving.
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About the teacher
Rich Wang
Rich is a junior at Clements High School in Sugar Land, Texas, and is the President of Technology. He's highly passionate about math and technology, and enjoys participating in math and coding competitions. He is a MOP Qualifier, USAJMO Winner, 3x USAJMO Qualifier, MATHCOUNTS National Countdown Round Quarterfinalist, and an USACO Platinum Qualifier. What really drives him is his love for helping others and making a difference to kids just like him. Outside of math competitions, he enjoys juggling, playing the recorder, playing tennis, and spending time with his friends.
