- Plane Geometry
- Proportional Reasoning
Video by Art of Problem Solving's Richard Rusczyk.
- 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...
- Algebraic Expressions and Equations
- Plane Geometry
- Problem Solving (Misc.)
Video by Art of Problem Solving's Richard Rusczyk.