- General Math
- Sequences, Series and Patterns
- Probability, Counting and Combinatorics
- Proportional Reasoning
When packing for her family’s trip, Miranda didn’t want to bring a lot of extra clothes, so she packed 4 shirts, 2 pairs of shorts and 1 skirt (all of which coordinate). If an outfit consists of a...
- Number Theory
Video by Art of Problem Solving's Richard Rusczyk.
- General Math
- Percents and Fractions
- Problem Solving (Misc.)
Kyra’s school building this year was overcrowded due to a lot of new registered students. Classroom space was a real issue. In looking ahead to next year, the administration figures that if teachers...