MINI #62 - SOLVING COUNTING PROBLEMS USING CASES Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk.
MINI #82 - USING ALGEBRA TO SOLVE WORD PROBLEMS Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk.
Mini #4 (Part 2) - Algebra/Manipulating Equations Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk.
MINI #35 - USING SIMILARITY TO SOLVE GEOMETRY PROBLEMS Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk.
MINI #30 - SIMILAR TRIANGLES AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk.
MINI #43 - USING SIMILARITY TO SOLVE GEOMETRY PROBLEMS Plane Geometry Proportional Reasoning Solid Geometry Video by Art of Problem Solving's Richard Rusczyk.
MINI #54 - SIMILAR TRIANGLES Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk.
MINI #66 - SIMILARITY AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk.
RATIOS AND AREA Measurement Plane Geometry Proportional Reasoning Understanding and applying ratios can be used in a variety of problems, from finding a missing measurement to determining scale between similar figures. Mathletes will solve problems using ratios...
MINI #23 - PERFECT SQUARES/USING A SIMPLER CASE TO SOLVE A PROBLEM Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk.