- General Math
- Sequences, Series and Patterns
- Number Theory
Calculating the least common multiple is something many Mathletes are asked to do, but in this plan they will use their understanding of the least common multiple to stretch themselves to solve more...
- General Math
- Percents and Fractions
- Problem Solving (Misc.)
The July 4 holiday is one that many people plan their summer vacations around. Peggy works a Monday through Friday job that has the following July 4 holiday policy. If July 4 falls on a weekend...
- Plane Geometry
- Probability, Counting and Combinatorics
Video by Art of Problem Solving's Richard Rusczyk.
- Probability, Counting and Combinatorics
Sam, Pam, Ken and Jen are exchanging gifts for the holiday. Each name is written on a slip of paper and placed in a bowl. Sam is the first to randomly select a name from the bowl. What is the...