RATIOS & SIMPLE PROBABILITY Probability, Counting and Combinatorics This plan builds on what Mathletes already know about ratios to introduce the definition of probability as a ratio of desired outcomes to total outcomes. Mathletes will then practice calculating the... 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 #8 - GEOMETRY/AUXILIARY LINES & SPECIAL RIGHT TRIANGLES Plane Geometry 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 #58 - LABELING FIGURES: A GEOMETRY PROBLEM SOLVING STRATEGY Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #66 - SIMILARITY AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #83 - SEQUENCES OF NUMBERS AND EVENTS Probability, Counting and Combinatorics Problem Solving (Misc.) Sequences, Series and Patterns Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #94 - MAKE A SKETCH Algebraic Expressions and Equations Plane Geometry Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #100 - CAREFUL COUNTING: A MEASUREMENT LESSON Measurement Video by Art of Problem Solving's Richard Rusczyk. Read More