KenKen

Help Okta and LuLu solve fun math puzzles! KenKen is an exciting grid-based math and logic game that will keep you engaged for hours. Designed for grade levels 1-12, NCTM KenKen includes two unique playing modes and over 200 specially-crafted puzzles that will entertain you and improve your logic, math and reasoning skills. Can you become skilled enough to unlock the bonus No-Op puzzles? Try it and find out.

This app gives you an extensive selection of puzzles in grid sizes ranging from 3x3 (good for beginners) up to 6x6 (for more advanced math minds and puzzlers). The rules are simple: Place numbers into each cell of the grid's "cages" to create true mathematical statements. But watch out; each cage has to be completed without repeating a number in any row or column! A full explanation, along with an easy-to-follow tutorial, is provided in the app for your convenience. NCTM KenKen provides a wide range of puzzles and levels. Challenge yourself to complete them all!

KenKen is now played in over 30,000 classrooms worldwide! Will Shortz, the New York Times Puzzle Editor, calls KenKen "the most addictive puzzle since sudoku."

This app was developed by NCTM Illuminations and KenKen. Check out illuminations@nctm.org for the online interactive along with supplemental classroom resources.