Asked by Amycutie

Josiah subtracts 337 from 600 and writes the following:

600 minus 300 is 300. Then I can subtract 40 more and get 260. But I should have only subtracted 37 more, so I'll add 3 back to my difference to get 263.

Which mental math strategy did Josiah use?

A.
Associative Property
Answered by WES
breaking apart

Answered by Anonymous
Josiah subtracts 337 from 600 and writes the following:

600 minus 300 is 300. Then I can subtract 40 more and get 260. But I should have only subtracted 37 more, so I'll add 3 back to my difference to get 263.

Which mental math strategy did Josiah use?

A.
Associative Property

B.
Breaking Apart

C.
Compensation

D.
Counting On

5 / 6
2 of 6 Answered


Answered by Anonymous
A.
Associative Property
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