- Plane Geometry
- Proportional Reasoning
Video by Art of Problem Solving's Richard Rusczyk.
- Plane Geometry
Original Handbook Problem: Paige cuts a square out of a circular pizza. The corner of the square lies on the circumference of the pizza. To the nearest whole number, what percent of the pizza is left...
- Algebraic Expressions and Equations
An important formula to know, the difference of squares identity is derived geometrically in the video for this practice plan. Mathletes will then try to recognize the difference of squares structure...
- Algebraic Expressions and Equations
Video by Art of Problem Solving's Richard Rusczyk.
- Algebraic Expressions and Equations
Video by Art of Problem Solving's Richard Rusczyk.
- Algebraic Expressions and Equations
Video by Art of Problem Solving's Richard Rusczyk.