Add & Subtract Within 20 Worksheets | 1.OA.C.6
Add & Subtract Within 20 Worksheets | 1.OA.C.6
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1.OA.C.6
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8 pages
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Turn that tricky first grade addition and subtraction to 20 standard into a set of simple, bite-size activities! These differentiated math strategies worksheets are an intuitive way to reinforce Common Core math — perfect for quick centers and stations.
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