Math in a Flash: Color-Coded Flash Cards: Addition

Classroom-tested, kid-selected flash card size invites learners to pick up, play and learn. You get 169 UV-coated flash cards for addition of all number families 0-12. 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. Two sort-and-store rings included with every set. Cards measure 2-1/2 x 4".