Three Corner Flash Cards Addition and Subtraction
THREE CORNER FLASH CARDS ADDITION AND SUBTRACTION
Ages: 6 & Up
1st Grade to 3rd Grade
(For Individual or Group Play)
Made in the U.S.A.
Each card has three problems. To start, cover a corner with you hand. Add when the colors are the same. Subtract when colors are different. The answer is under you hand. Three Corner Flash Cards are teacher created and child tested.
Contents:
46 Two-Sided Cards 5 1/2" Triangles
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