- Percents and Fractions
- Statistics and Data
Mathletes will analyze frequency tables, histograms, stem-and-leaf plots and other visual representations to solve problems about sets of data. In the extension, Mathletes will analyze a set of data...
- 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...
- Probability, Counting and Combinatorics
The distinct letters from the word MEMORIAL are used to create set Z, such that Z = {M, E, O, R, I, A, L}. The letters from the word DAY are used to create set Y, such that Y = {D, A, Y}. If set X is...