Our most challenging KenKen® printable comes in the form of a 9x9 grid. Your high school student will need every ounce of her logic to solve this one! By using mathematical operations and critical thinking skills, we know she will be a success! Here's how to play:

Using the digits 1-9 in this 9x9 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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