Adding and Subtracting To 10 and To 20: Seven Variations

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Related Resources

The resources listed below are aligned to the same standard, (2OA02) re: Common Core Standards For Mathematics as the Addition and subtraction game shown above.

Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.

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    Table

    Addition/ Subtraction Chart

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    Bridging

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