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Visit this site: http://mathforum.org/kenken/

Author:Nextoy, LLC and the Math Forum @ Drexel
Description: A collection of KenKen puzzles ranging in size from 3x3 to 9x9, at four difficulty levels, with many combinations of arithmetic operations. The site offers an introduction to KenKen, lesson plans, rules, discussion, and tutorial. KenKen is a number puzzle related to Sudoku, but even more mathematical. KenKen puzzles are free with registration. If you're already a Math Forum PoW member, you already have access to KenKen puzzles--just use your PoW login information where prompted. Each puzzle comes with a printer-friendly view, an interface for submitting your work, and a solution viewable by teachers. Teachers with class accounts may further view the work their students submit when solving KenKen puzzles.

Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Games, Collections, Web-Based Discussions, Recreations, Web Interactive/Java
Math Topics: Basic Operations, Problem-Solving

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