metcalfbrooke metcalfbrooke

11-11-2019
Mathematics

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Which mental math strategy can be used to find the exact sum of 873 and 47? Check all that apply?

800 + 70 + 47
870 + 40 + 3 + 7
873 + 40 + 7
873 + 40 + 3 + 7
880 + 70 + 7

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Keegantheguy Keegantheguy

11-11-2019

873 + 40 + 7 or 870 + 40 + 3 + 7

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