Compare decomposing to partial sums to find either D.C.’s or Value Pak’s error when adding 29 + 14.

by Sherry McElhannon | Apr 17, 2023

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When decomposing, find D.C.’s error when adding 25 + 28.

by Sherry McElhannon | Apr 17, 2023

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Create and analyze the visual model to solve the 14 – 10 story problem.

by Sherry McElhannon | Apr 17, 2023

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Create and analyze the visual model to solve the 12 + 3 story problem.

by Sherry McElhannon | Apr 17, 2023

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When decomposing, find D.C.’s error when adding 48 + 13.

by Sherry McElhannon | Apr 17, 2023

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