96 double-sided, 4 x 4in cards. 1 Dot, 2 Dot & 3 Dot cards offer three levels of difficulty. Easy 1 Dot cards start with two numbers on each wheel; more challenging 2 & 3 Dot cards have three numbers per wheel. Target numbers for 1 Dot & 2 Dot cards are 3 through 10. The target number for 3 Dot cards is always 24. Cards also have a self-check feature (answer on back).
How to play. Card has two wheels and a white target number. Pick the wheel that makes the target number using addition and subtraction ONLY. Use all numbers on the wheel, but use each only once.
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