This is a place to share fun videos, jokes, cartoons, or anything else that gets our spirits up related to mathematics. If we can't have fun and laugh at ourselves a little, what are we doing wrong?

Problem of the day: Link to a "mathematics problem of the day".

Portal to a list of problem for the day/week/month: Elementary through High school level.

Drexel University's Problems of the week

The Eyeballing Game: A fun exercise in visual estimation

Theorem of the Day:Each day offers a different theorem (or lemma, law, formula or identity)

Math Jokes: A collection of mathematical folklore targeted at mathematicians and students.

Wolfram Demonstration Projects. Puzzles
Wolfram Demonstration Projects. Recreations
Wolfram Demonstration Projects. Puzzles and Recreations: Advanced

Glossary of mathematical Mistakes: A list of mathematical mistakes made over and over by advertisers, the media, reporters, politicians, activists, and in general many non-math people. These come from many sources, which will appear in parenthesis.

Math.com Games: A selection of online math based puzzles and games.

MAA MinuteMath: Exercise your mind daily with a problem from the AMC-8, AMC-10, or AMC-12, provided by MAA's American Mathematics Competitions. Interactive problem a day with solution.

A few innovative homework papers

Magic Cube GeneratorDwane H. Campbell and Keith A. Campbell focus primarily on a set of 8 by 8 by 8 magic cubes that are often called perfect magic cubes of order 8, Nasik magic cubes of order 8, or order-8 pan-2,3-agonal magic cubes. There are 3,295,497,267,707,904,000 (almost 3.3 quintillion) visually different magic cubes described in this set. All cubes in the set have over 10,000 different ways to sum to the magic constant. Sections of their site:

• Overview - History, Basic Concepts, Statistics
• Magic Cube
• Magic Hypercubes
• Downloads
• References
• Contact

NCTM Math Notes: Fun and instructive resources for teachers and teacher educators at grades 5-10. Games, thinking exercises and more - all with mathematics underpinnings.

Puzzle-maker.com: Create crossword or word search puzzles on any topic for free.

Macalester College Problem of the Week: