Grant finds the difference of 360 and 127 as shown. What is Grant's mistake?
Grant should have subtracted the ones first and
the hundreds last.
Grant did not regroup the 2 hundreds when he
subtracted 7.
360
- 100
260
20
240
7
243
Grant should have subtracted 120 instead of 20.
Grant did not regroup the 4 tens when he
subtracted 7
Done
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