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

[Greg Aikens]

Ok, then no, I did not require students to use cancellation signs when regrouping. If it is confusing for the student, you could have them put a full cell over the number they are borrowing from and rewrite the new value above. Others may have other opinions. I did show them how to read the cancellation signs because they show up in text books. 
> On Apr 10, 2017, at 11:20 PM, Marianne Denning via PIBE-Division <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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