- General Math
- Sequences, Series and Patterns
- Algebraic Expressions and Equations
- Number Theory
Video by Art of Problem Solving's Richard Rusczyk.
- Number Theory
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
- Coordinate Geometry
Video by Art of Problem Solving's Richard Rusczyk.
- Coordinate Geometry
Video by Art of Problem Solving's Richard Rusczyk.
- Plane Geometry
Original Handbook Problem: The bus from Kevin's home to the middle school travels 8 miles west, then turns and travels 8 miles north, then turns and travels 7 miles west to arrive at school. If the...
- Algebraic Expressions and Equations
- Proportional Reasoning
- Solid Geometry
Melrose’s hot air balloon is a sphere of diameter 100 feet. How many cubic feet of air will Melrose’s hot air balloon hold when completely filled? Express your answer as a decimal to the nearest tenth...