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Earn +20 ptsQ: When do you need to regroup in a addition problem?
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Why do you sometimes need to regroup in 3-digit addition?
because 1 is toobig
Why do you sometimes need to regroup in 3 digit addition?
because sometimes the total is too big
When do you need to regroup hundreds in a subtraction problem?
When the lower digit is greater than the upper one.
How do you write an addition problem with 3 addends in which you regroup once to solve?
3 addends mean 3 numbers. Regroup I believe means carry over. So I'm thinking something like 36+29+12=
Do you need to regroup to find 73 - 35?
38
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