Mathematics, 28.11.2020 07:30 Terrydactly

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

Answers: 1

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