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|A site devoted to original mathematical recreations. If you have a math puzzle, discovery, or observation, you are invited to e-mail the author. You can also submit answers to the problem of the month; questions and solutions are archived. Examples include: Divisor Chains; Integer Square Tilings; Angle Frequencies; Disconnected Polyominoes; Average Arrays; Convex Spectra; Surround Numbers; Palindrome Products, Fairy Chess Endgames, and Rectangles in Squares.|
|Levels:||High School (9-12), College|
|Resource Types:||Problems/Puzzles, Daily/Weekly/Monthly Challenges|
|Math Topics:||Symmetry/Tessellations, Number Theory|
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