Subtraction Wrap-up Keys

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Learning Wrap-ups offer a fun and unique way to help students memorize basic subtraction. Students wrap the string from the problem on the left to the answer on the right, and then turn the Wrap-up over to see if they got it right. Use a stopwatch to measure improvement and to see how fast they can really go. Each set contains 10 self-correcting keys and cover all the facts for that operation. Show more