Help Dan the Dinosaur add and subtract his way to the answer! KenKen® is introducing a new way for your second grader to practice her math facts.This puzzle is guaranteed to get her thinking and problem solving. She'll need to carefully consider different possibilities as she decides where each number belongs within the grid.Here's how:

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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