Question
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
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
Answers
WES
breaking apart
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
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
Anonymous
A.
Associative Property
Associative Property