Minnesota Council of
Teachers of Mathematics

Challenges / Problems / Puzzles

List of sites with problems hosted by the Math Forum

Figure This!

Houghton Mifflin Math Center : - Math puzzles for grades 3-4, 5-6, and 7+.

Math Magic: Math challenges for all levels.

High School Problem of the Week

Geometry Forum Problem of the Week

Arithmetic Problems and Puzzles: - Problems and puzzles from the Math Forum.

Topology Games - The torus and Klein bottle are introduced through six simple games (a Java-capable browser is required). Simple to use (from upper elementary and up) introducing interesting and deep topic.

Resources Links