Does your second grader love puzzles? This KenKen® uses addition and subtraction facts to determine where numbers belong within a grid. It's a good introduction to puzzling and will help improve your child's problem solving skills. 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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