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A video resource created by Art of Problem Solving!
Art of Problem Solving's Richard Rusczyk, a MATHCOUNTS alumnus, has been creating MATHCOUNTS Minis videos for more than a decade! Minis provide detailed explanations for MATHCOUNTS problems and their associated math concepts, plus include activity sheets. They're great resources for math team practices or club meetings! Visit Art of Problem Solving for many more educational resources.
Tangent Segments & Similar Triangles
Turning Word Problems into Algebra Equations
Geometry: 30-60-90 Right Triangles
Sequences, Series and Patterns
Using Algebra and Number Sense as Shortcuts
Geometry: Circles and Right Triangles
Solving Quadratic Equations Using Substitution Simplification
Number Sense: Looking for Patterns
More Than One Way to Solve a Problem
Strategic Guessing Using Divisibility Rules
Counting Paths
Sequences and Central Tendency