Here's a challenge for a KenKen® champion! This 4x4 multiplication puzzle will get your child using a lot of logical thinking. He'll need to try out different number combinations in order to determine where numbers go within the KenKen® grid. Teachers everywhere are using puzzles such as this one in the classroom because they help students become better at problem solving. Here's how to play:

Using the digits 1-4 in this 4x4 puzzle, fill the small squares with digits so as not to repeat a digit in any row or column, and so that the digits within each heavily outlined area will equal that area’s corner number when combined using the indicated operation. For more information visit www.kenken.com.

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