Reston, VA-The National Council of Teachers of Mathematics (NCTM) and KenKen ® have formed a new educational partnership designed to help teachers engage students in mathematical thinking through the ...
A relatively easy 6×6 KenKen puzzle. Click puzzle to see a larger version, and click here to see solution.(c)2009 Gakken Co. Ltd. and TM Nextoy, LLC, used under license Sudoku can get pretty tough.