# MATHCOUNTS MINIS

### 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