|Product #: CTU8662|
DOUBLE VALUE VERTICAL FLASH CARDS
Great for teaching the relationship of +/- and x/÷ (Example3+1=4 on one side, 4-1+3 on the reverse). Each box contains 90 classroom-size flash cards, 6-1/4" x 3-1/4"
1 Box of Addition and Subtraction Cards, Vertical
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