- General Math
- Sequences, Series and Patterns
- Measurement
- Solid Geometry
Video by Art of Problem Solving's Richard Rusczyk.
- Coordinate Geometry
- Plane Geometry
Video by Art of Problem Solving's Richard Rusczyk.
- 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...
- Algebraic Expressions and Equations
- Problem Solving (Misc.)
Video by Art of Problem Solving's Richard Rusczyk.
- Proportional Reasoning
Original Handbook Problem: R.J.’s pedometer indicates that he has walked 10,002 steps and equates that to traveling 4.11 miles. Based on this, how many additional steps must he walk to travel the...
- Percents and Fractions
Animation Type: Stop Motion. Original Handbook Problem: It is the policy of Sky Airlines to cancel any flight that has fewer than 80% of its seats filled. A Sky Airlines plane has 24 rows with 6 seats...