Your fourth grader will need his math facts on hand to solve this puzzle! Addition, subtraction, multiplication, and division are all used in this KenKen® grid. Your child will be gaining important problem solving skills as he figures out which number belongs in each box. Here's how to play:

Using the digits 1-5 in this 5x5 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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