Are you looking for a fun way to practice addition? This puzzle may be exactly what you want. Your second grader will need to use logical thinking and his knowledge of simple addition facts to solve this KenKen® grid. Teachers everywhere are praising this new game for its ability to improve students' problem solving and make learning more fun. We hope you like it! 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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