07-01-2016
Mathematics

contestada

Describe how you regroup when you find the sum of 64 plus 43

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NewtieCutie NewtieCutie

07-01-2016

You can break up the numbers:
64 = 60 + 4
43 = 40 + 3

60 + 40 = 100
4 + 3 = 7

100 + 7 = 107 which is also the same as 64 + 43 = 107

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