Set 1: Addition (Commutative Law) This set of 136 addition facts with addends from 0 to 15 is the latest tool in the memory work box from Classical Conversations. The set contains 68 cards, 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.
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