mariaper73haoocom mariaper73haoocom

15-12-2016
Mathematics

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explain why you should récord a 1 in the tens columna when you regreso in an addition problem

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maddog89824 maddog89824

15-12-2016

i would say that if the ones add up to 10 or more, they will regroup and put a 1 above the tens column to show the 10.

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