MATHCOUNTS MINIS

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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.

Great Minis for At-Home Learners
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triangle

Tangent Segments & Similar Triangles

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lines of text

Turning Word Problems into Algebra Equations

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right triangle

Geometry: 30-60-90 Right Triangles

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pattern

Sequences, Series and Patterns

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shortcut

Using Algebra and Number Sense as Shortcuts

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triangle and circle

Geometry: Circles and Right Triangles

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parabola

Solving Quadratic Equations Using Substitution Simplification

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magnifying glass

Number Sense: Looking for Patterns

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directional signs

More Than One Way to Solve a Problem

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Division

Strategic Guessing Using Divisibility Rules

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path

Counting Paths

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Average

Sequences and Central Tendency

Math Topic:
Probability, Counting and Combinatorics
Common Core State Standard:
S.CP.9
Difficulty:
Easy
Math Topic:
Probability, Counting and Combinatorics
Common Core State Standard:
S-CP.9
Difficulty:
Easy
Math Topic:
Probability, Counting and Combinatorics
Common Core State Standard:
S-CP.9
Difficulty:
Easy
Math Topic:
Sequences, Series and Patterns
Common Core State Standard:
F-BF.2
Difficulty:
Medium
Math Topic:
Algebraic Expressions and Equations
Common Core State Standard:
8.EE.8
Difficulty:
Medium
Math Topic:
Algebraic Expressions and Equations
Common Core State Standard:
6.EE.9, 8.EE.8
Difficulty:
Medium