división reagrupando

15:56 Dec 15, 2016
Spanish to English translations [PRO]
Medical - Mathematics & Statistics / Math skills
Spanish term or phrase: división reagrupando
El niño fortalecerá operaciones de suma, resta y división reagrupando.
United States
Local time: 00:16

Summary of answers provided
4 +1division with regrouping
Helena Chavarria
4 +1division with regrouping
Francois Boye

Discussion entries: 2



43 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
division with regrouping


Francois Boye
United States
Local time: 00:16
Specializes in field
Native speaker of: Native in FrenchFrench
PRO pts in category: 44

Peer comments on this answer (and responses from the answerer)
neutral  Helena Chavarria: The 3-minute difference between our answers corresponds to the time I spent preparing my answer. I also saw there are several videos that explain the concept but many people don't have time to watch a video, which is why I chose written information.
1 hr

agree  philgoddard: Though I do think Helena's references are better.
1 hr
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46 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
division with regrouping

I admit I have never heard or used this expression in maths. I was taught that in additions you carry numbers, you borrow in subtractions and there is often a remainder in long divisions.

Starting in second grade, students begin to learn how to add and subtract numbers that are greater than one digit. To do this, they need to be taught how to regroup. This lesson will define regrouping and show examples for both addition and subtraction.
What Is Regrouping?
For some people, the thought of doing or teaching math is a traumatic experience. Hopefully, through this simple lesson, we will be able to help with that anxiety, at least when it comes to teaching regrouping.

In math, regrouping is the process of making groups of tens when adding or subtracting two digit numbers (or more) and is another name for carrying and borrowing . If that sounds like nonsense to you, fear not, because we will spell out the process clearly for you.


Subtraction by "Regrouping"

(Also called "borrowing" or "trading")

To subtract numbers with more than one digit:

- write down the larger number first and the smaller number directly below it making sure to line up the columns!

- then do subtractions one column at a time like this (press play button):


Sometimes your addition problems give you an answer that is greater than ten (10). For example, 6 + 6 = 12. When you start to add larger numbers, you will need to start "carrying" values. When we learned about addition, we used the term carry. Today, many math teachers use the term "regrouping". Carrying and regrouping are the same ideas.


Note added at 48 mins (2016-12-15 16:44:54 GMT)

How do I regroup in division?
Base-ten blocks can be used to show regrouping in division.
To model division problem, first show 174 with 1 hundred block, 7 tens blocks, and 4 ones blocks.

Base-ten blocks
Since the hundred block cannot be put into 3 equal groups without regrouping, regroup the hundred as 10 tens. Now there are 17 tens. Put an equal number of tens in each of the three groups.


Helena Chavarria
Local time: 06:16
Native speaker of: Native in EnglishEnglish
PRO pts in category: 8

Peer comments on this answer (and responses from the answerer)
agree  Charles Davis: It's American. I remember it from Tom Lehrer's New Math song: "regroup and you change the ten to ten ones" (Chorus: "Hooray for new math, new math, it won't do you a bit of good to review math, it's so simple, so very simple, that only a child can do it")
53 mins
  -> Thank you Charles! I need to check out the song because I haven't heard of that either!

neutral  Francois Boye: My translation predates Helena's. I proposed a Youtube presentation of the concept for everybody to understand!
1 hr
  -> Thank you for your opinion, Francois.
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