Lauren H. answered 01/18/19
Tutor
4.8
(24)
Experienced High School Chemistry Teacher
when the subtraction will yield a negative number.
36 - 27, for example. 6 minus 7 is -1, therefore, borrow.
Roses T.
asked 01/17/19How do you know if you need to ungroup a ten for ones when subtracting
Lauren H. answered 01/18/19
Experienced High School Chemistry Teacher
when the subtraction will yield a negative number.
36 - 27, for example. 6 minus 7 is -1, therefore, borrow.
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