Minnesota Council of Teachers of Mathematics
An affiliate of the National Council of Teachers of Mathematics.
Math Resource Sites
Challenges /Problems / Puzzles
List of sites with problems hosted by the Math Forum.
Math Magic: Math challenges for all levels.
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.
Sequence Puzzles - A compilation of sequence puzzle resources.
Brain Teasers and Math Puzzles
Math resources on the web are many and varied. There are some comprehensive sites and some problem resources listed here, but these lists are just a starting point.
There are also many video resources available, such as
Wolfram also provides powerful tools at