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The goal of this game is to reduce all numbers to zero. 50 mental math puzzles to solve in all!
Overlap Sums - Learning Connections
Essential Skills
Problem Solving - look for the best sequence of steps
Numerical Thinking - play with inverse operations
Spatial Reasoning - visualize changes in the game

Common Core Connection
MP1 - Make sense of problems and persevere in solving them.
MP7 - Look for and make use of structure.
More Math Games to Play
Math Playground
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