Three-Corner® Flash Cards, Addition and Subtraction
$9.99
Self-checking cards teach addition and subtraction and the relationship between them. Facts through 12. 48, two-sided cards. ...
Award-winning, color-coded learning system helps teachers make math lessons fun! Cards are color coded by number families. Self-checking answers on back. Predrilled holes for storage on included sort-and-store rings. Set of 169, 2-1/2" x 5" cards. Aligned with Common Core and State Standards. Supports requirements of Title I and other federally funded programs.
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Award-winning, color-coded learning system helps teachers make math lessons fun! Cards are color coded by number families....
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Award-winning, color-coded learning system helps teachers make math lessons fun! Cards are color coded by number families....