MINI #18 - AREAS OF IRREGULAR CONVEX POLYGONS Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #6 - MATHCOUNTS POSTER SOLUTIONS Measurement Probability, Counting and Combinatorics 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 #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 #100 - CAREFUL COUNTING: A MEASUREMENT LESSON Measurement Video by Art of Problem Solving's Richard Rusczyk. Read More
DISTANCE = RATE X TIME Algebraic Expressions and Equations General Math Explore the formula d = rt by starting with unit conversion problems. Mathletes will solve for distance, rate and time by paying attention to the units given in the problem and using the appropriate... Read More