MINI #35 - USING SIMILARITY TO SOLVE GEOMETRY PROBLEMS Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #30 - SIMILAR TRIANGLES AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #21 - COUNTING RECTANGLES IN A GRID/SQUARES IN A LATTICE GRID Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #14 - NUMBER SENSE/RIDDLES WITH REMAINDERS AND PERFECT SQUARES Algebraic Expressions and Equations Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #5 (PART 1) - PERFECT SQUARES/USING A SIMPLER CASE TO SOLVE A PROBLEM Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #5 (PART 2) - PERFECT SQUARES/USING A SIMPLER CASE TO SOLVE A PROBLEM Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #40 - SUM AND AVERAGE OF AN EVENLY SPACED LIST OF INTEGERS Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #43 - USING SIMILARITY TO SOLVE GEOMETRY PROBLEMS Plane Geometry Proportional Reasoning Solid Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #54 - SIMILAR TRIANGLES Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #57 - NUMBER SENSE: LOOKING FOR PATTERNS Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More