[blindkid] subtracting in Nemeth braille

Mike Freeman k7uij at panix.com
Sat Oct 17 01:46:05 UTC 2009


I endorse writing out the problems on paper with a braillewriter. However, I see no reason to indicate which digits should be crossed out; I never did it; I just kept track of that in my head.

Mike

----- Original Message -----
From: Joy Orton <ortonsmom at gmail.com>
To: blindkid at nfbnet.org
Date: Friday, Oct 16, 2009 11:34:22
Subject: [blkid] subtracting in Nemeth braille

>
>
> Dear Friends,
> Our third grader is doing subtraction with two and three digit numbers and
> some borrowing. In print, the number is crossed out and a new digit written
> in above it. In nemeth, you have to use a "start cancelling" sign and a
> "stop cancelling" sign before and after each digit to be changed. I know
> this takes lots of paper.
> 
> Right now our daughter is doing subtractions problems in her head.
> Occasionally she gets mixed up, so the answer "21" might turn into "12." She
> knows her math facts, but two and three digit numbers are a lot to keep up
> with. She has been introduced to the "long" way to do it in Nemeth, but she
> does not seem comfortable with it. (Honestly right now she is missing no
> more than one in 10 of this kind of problem. Maybe I'm hyper-sensitive.)
> 
> I don't know if her teachers are emphasizing writing it out. I know right
> now it's not a big deal, but I think it will be important in the future to
> have the skill of cancelling a digit or expression. I can think of reducing
> fractions as an example of when it is needed.
> 
> How have you dealt with this situation?
> 1. How much do I need to emphasize it?
> 2. How can I encourage the teachers and transcriptionist to help her work on
> it?
> 
> A related question: Is there an easy to read Nemeth guide or "cheat sheet"
> like the alphabet and contraction sheet? I have a 255 page binder from BANA
> with the whole code and all the rules, but it is hard to find what I want.
> 
> Thanks for your help!
> Joy Orton
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