- 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...
- Solid Geometry
Video by Art of Problem Solving's Richard Rusczyk.
- Percents and Fractions
- Solid Geometry
For the following problems, assume that the snowballs are perfect spheres. Chiquita and Rhonda are each building a snowman. Rhonda tells Chiquita that she is making each of her 3 balls of snow 20%...