5178185
9781564513519
Never loose another Flash Card again! Help children develop understanding, mastery, and recall of related facts. Includes 156 addition and subtraction facts through 12 + 12 and 24 - 12 in a vertical format. Addition problems are on one side, subtraction problems are on the other side. Features helpful learning hints plus an addition chart. Great for individual use or small and large group instructionCarson-Dellosa Publishing Staff is the author of 'Flip-flash Addition and Subtraction Facts Vertical', published 1999 under ISBN 9781564513519 and ISBN 1564513513.
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