How can the associative property be used to mentally solve 48+82?

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asked Nov 14, 2018 97.6k views

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Pernell · Answer 1 · 2018-11-20T00:48:08+0000

(40+80) + (8+2)
120+10
130
your answer would be 130
you group 40 and 80 and get the answer and then group 8 and 2
get answer to both then and then you add them together for the answer

How can the associative property be used to mentally solve 48+82?

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