[Pibe-division] borrowing in subtraction problems with Nemeth code

[Eric Guillory]

I agree regarding the teaching of cancellation/regrouping indicators. They need to know how to read the same, but not necessarily use them. For students who have difficulty keeping numbers in their heads, one strategy that works for some is to use a manipulative (e.g., marble, small plastic block) as a reminder. It can be kept near them when engaging in addition/subtraction, and generally, students using this method do so less and less with practice. Braille Rocks!


Eric Guillory, Director of Youth Services
Louisiana Center for the Blind
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From: PIBE-Division [mailto:pibe-division-bounces at nfbnet.org] On Behalf Of Krystal Guillory via PIBE-Division
Sent: Tuesday, April 11, 2017 6:56 AM
To: Professionals in Blindness Education Division List
Cc: Krystal Guillory
Subject: Re: [Pibe-division] borrowing in subtraction problems with Nemeth code

Marianne,

We do not use cancellation marks unless a student cannot keep the information in their head.

Thanks,
Krystal

On Apr 10, 2017, at 10:20 PM, Marianne Denning via PIBE-Division <pibe-division at nfbnet.org<mailto:pibe-division at nfbnet.org>> wrote:
Yes, it is what I am asking. If the problem is 242 - 163 would you have them use the cancellation marks around the numbers that need to be changed? It just seems like so much work. I have been blind all of my life but did not learn or use Nemeth code in school.

On Mon, Apr 10, 2017 at 10:56 PM, Greg Aikens via PIBE-Division <pibe-division at nfbnet.org<mailto:pibe-division at nfbnet.org>> wrote:
Hi Marianne,
I typically only showed my students proper Nemeth code for borrowing so they could understand what is in the textbook. I never had them “cross out” anything using the proper Nemeth symbols when writing their problems. Is this what you are asking or am I missing the mark?


> On Apr 10, 2017, at 10:24 PM, Marianne Denning via PIBE-Division <pibe-division at nfbnet.org<mailto:pibe-division at nfbnet.org>> wrote:
>
> Okay, I hate teaching borrowing using proper Nemeth code. It is so complicated. I know the abacus is the best way to accomplish this but what would you suggest in teaching subtraction when borrowing is involved?
>
> --
> Marianne Denning, TVI, MA
> Teacher of students who are blind or visually impaired
> (513) 607-6053<tel:%28513%29%20607-6053>
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--
Marianne Denning, TVI, MA
Teacher of students who are blind or visually impaired
(513) 607-6053
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