When decomposing, find D.C.’s error when adding 17 + 36.

by Sherry McElhannon | Apr 17, 2023

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Using partial sums, find Value Pak’s error when adding 25 + 36.

by Sherry McElhannon | Apr 17, 2023

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Using partial sums, find Value Pak’s error when adding 27 + 44.

by Sherry McElhannon | Apr 16, 2023

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When decomposing, find D.C.’s error when adding 6 + 8.

by Sherry McElhannon | Apr 16, 2023

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When decomposing, find D.C.’s error when adding 9 + 5.

by Sherry McElhannon | Apr 16, 2023

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