Puzzles, & Riddles - The Contest Center
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|Hundreds of puzzles and mathematical problems ranging from kindergarten through post-doctoral levels. For the easier puzzles, answers are provided on the site; names of those who submit correct solutions to harder problems are posted. See also Puzzles & Games.|
|Levels:||Elementary, Middle School (6-8), High School (9-12), College, Research|
|Resource Types:||Games, Problems/Puzzles|
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