Students apply their regrouping skills in both addition and subtraction using these game boards. This game can be played in partners or individually. To play students use a paperclip and pencil to create spinner of the two left hand number boxes. They create a sum with the two numbers (addition or subtraction, depending on the board). They then solve the sum and find the answer on the board. The first player to get 4 in a row is the winner. (Or if playing individually, the player just keeps going).