MINI #66 - SIMILARITY AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #80 - CIRCLES AND TRIANGLES REVISITED Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #82 - USING ALGEBRA TO SOLVE WORD PROBLEMS Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #84 - TRAPEZOIDS AND TRIANGLES Coordinate Geometry Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #87 - USING GEOMETRIC MODELS TO DETERMINE PROBABILITY Coordinate Geometry Plane Geometry Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #90 - EVEN MORE ANALYTIC GEOMETRY Coordinate Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #95 - RIGHT TRIANGLES Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #97 - THREE-DIMENSIONAL FIGURES Solid Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
AVERAGES Sequences, Series and Patterns Statistics and Data Explore measures of central tendency, specifically mean and median, by solving common types of MATHCOUNTS problems related to sets of numbers. Use the extension at the end to develop a rule for... Read More