Math and Teaching Materials
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Triangular Flash Cards Sets (Addition and Subtraction)
A Great Tool for Teaching Basic facts with Connections to the Inverse Operation.
Addition & Subtraction Set – 20 cards in a set for basic facts mastery, each side of each card shows a family of three facts. Cover the red numeral with your hand and you have an addition problem. Cover either black numeral and you have a subtraction problem! Great for Grades K-3!$6.00 Add to cart