This set of flashcards includes 68 cards that teach 136 addition facts with addends from 0 to 15, with a different fact and its commutative reciprocal stated on each side of the card. The answers are on the top right corner of the reverse side of the card from the fact. Cards are 2.75' x 3.75,' laminated, with rounded corners, contained in a sturdy, reusable card box.
