Math in a Flash – Subtraction


Each two-sided flash card has:

  • Colored border
  • Rounded corners for durability
  • Pre-drilled hole for the storage ring
  • Bold black numbers on a crisp white background
  • Self-checking answer to the problem on the reverse
  • UV-coated cards measure 2.5″ x 4″
  • Two sort-and-store rings included

169 flash cards for all subtraction facts 0-12.

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