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(Paperback)
KenKen can be described simply as sudoku with basic math (addition, subtraction and/or multiplication and division). It’s a fun, addictive, clever puzzle that’s winning fans the world over.
This edition contains 100 KenKen puzzles that use all four mathematic applications along with solving instructions and an introduction by puzzlemaster Will Shortz.
TETSUYA MIYAMOTO, the creator of KenKen, is a math teacher whose use of KenKen in his classroom has proved so successful that it has lead to a worldwide demand for his puzzle to be published in book form.
WILL SHORTZ has been crossword editor of The New York Times since 1993. He is also the puzzlemaster on NPR’s Weekend Edition Sunday.
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October 04, 2009: This is a challenging puzzle type. If you love Sudoku, you might like this as it is not restricted to a 3 X 3 box. The margins could be larger for the possibilities work needed on the special shapes. The numbers still are used only once in the vertical and hrizontal directions but they must result in the number in the particular shaped block, which could be L-shaped or retangular. To make it more challenging, the author presents the mathematical process which you must use to arrive at that number.
Only try if you love math and challenges.