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You need to regroup when you add the numbers together and they add up to a number that is ten or more.

For example: 1

164

+518

_____

682

If it is over ten, take the first digit of the number and put it above the next number. Then, add that number onto the sum of the other digits underneath it.

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12y ago
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Wiki User

12y ago

you need to regroup when the bottom number is bigger than the top number

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Related questions

When do you need to regroup?

No


Do you need to regroup to find 73 - 35?

38


How do you know if you need to regroup when finding a sum?

If the total in any column exceeds nine, you will have to regroup.


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Do you need to regroup on 56 plus 9?

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Can you regroup on a subtracting problem?

yes u can if you need too


Do you need to regroup ones to find the product of 34 and 3?

Yes.


What is the population of Regroup?

The population of Regroup is 25.


When was Regroup created?

Regroup was created in 2006.


Why do you sometimes need to regroup in 3-digit addition?

because 1 is toobig


What part of speech is the word regroup?

Regroup is a verb.