In Partnership with AOL

  • CalcuDoku - Site with puzzles playable online, tutorial, tips, etc.
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  • Math Games, KenKen - Puzzles playable online, sizes 3x3 to 9x9, as well as tutorials and tips.
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  • MathDoku - Many free puzzles playable online, in three sizes: 4x4, 6x6, and 8x8, in three difficulty levels. Also has "no-op" puzzles (where the operator clue is not given).
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  • NekNek puzzles - Sudoku + Math - Site with 1200 Calcudoku puzzles, sizes 4x4 to 9x9, solvable online.
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  • Online Calcudoku Puzzles - Daily Calcudoku (sizes 4x4 to 12x12) puzzles which can be solved for points.
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  • Wikipedia:KenKen - Online encyclopedia article about the game.
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  • A New Puzzle Challenges Math Skills - New York Times article by Will Shortz about the development of KenKen and how it is played. (February 09, 2009)
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Last update: March 16, 2014 at 15:40:21 UTC - edit