- Algebraic Expressions and Equations
- Plane Geometry
- Coordinate Geometry
- Plane Geometry
- Probability, Counting and Combinatorics
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...
- Percents and Fractions
- Plane Geometry
- Probability, Counting and Combinatorics
It’s Autumn, and that means leaves are falling! Amber’s house occupies 2650 ft2 in the middle of a 50-foot by 80-foot parcel of land, and the leaves that fall cover the ground all around her house. If...