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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Josiah subtracts 337 from 600 and writes the following:
600 minus 300 is 300. Then I can subtract 4...
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