[Blindmath] graphing inequalities

Fri Nov 8 03:57:14 UTC 2013

Thanks for looking into this Li.
Susan

-----Original Message-----
From: Blindmath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Li Zhou
Sent: Thursday, November 07, 2013 9:55 PM
To: Blind Math list for those interested in mathematics
Cc: ljmaher
Subject: Re: [Blindmath] graphing inequalities

I've asked some of my colleagues in my research department and it seems to
be not easy to add raised grid lines on films. But I'm going to ask some
people in the production side as well. It's just my thought that cost may
be a key issue here.

Yes, we now know this and will do our best to help.

Li

On 11/7/13, Susan Osterhaus <osterhauss at tsbvi.edu> wrote:
> Li works for APH. So, I think he was asking if there was any interest
> in having the Draftsman film come in a gridded format. The film is not
> expensive if your student is eligible for federal quota money. Li,
> would it be possible to get the Draftsman film in gridded format?
>
> Susan
>
> -----Original Message-----
> From: Blindmath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of
> Louis Maher
> Sent: Tuesday, November 05, 2013 5:19 PM
> To: 'Blind Math list for those interested in mathematics'
> Subject: Re: [Blindmath] graphing inequalities
>
> Li,
>
> Forget the plastic film.  It does not come with gridlines, and the
> plastic is expensive.
>
> Use plain paper.
>
> Regards
> Louis Maher
> 713-444-7838
> ljmaher at swbell.net
>
>
> -----Original Message-----
> From: Blindmath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Li
> Zhou
> Sent: Tuesday, November 05, 2013 9:59 AM
> To: ljmaher at swbell.net; Blind Math list for those interested in
> mathematics
> Subject: Re: [Blindmath] graphing inequalities
>
> If the plastic films/paper used with Draftsman come in with raised
> grid lines, with that help?
>
> Thanks,
>
> Li
>
> On 11/4/13, Louis Maher <ljmaher at swbell.net> wrote:
>> Maureen,
>>
>> The graph paper would not work for the student because the student
>> cannot feel the graph paper, unless you sketched a few of the lines
>> in the graph paper grid.
>>
>> In this case, you need only show the concept of the graph.  You do
>> not have to have accuracy, just the general shape.
>>
>>
>>
>> Regards
>> Louis Maher
>> 713-444-7838
>> ljmaher at swbell.net
>>
>>
>> -----Original Message-----
>> From: Blindmath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of
>> Lewicki, Maureen
>> Sent: Monday, November 04, 2013 6:19 PM
>> To: <ljmaher at swbell.net>; Blind Math list for those interested in
>> mathematics
>> Subject: Re: [Blindmath] graphing inequalities
>>
>> Thanks Louis, isn't that similar to the mat that APH puts out on
>> which you can put plastic paper?
>>
>> If i put raised line graph paper on the sensational blackboard will
>> that work? The student has to be able to use the graph paper as a
>> reference point
>>
>> Maureen Lewicki
>> Teacher of the Visually Impaired
>> Bethlehem Central Schools
>> 700 Delaware Avenue
>> Delmar, NY 12054
>> http://bcsd.k12.ny.us/
>>
>>
>> On Nov 4, 2013, at 6:20 PM, "Louis Maher"
>> <ljmaher at swbell.net<mailto:ljmaher at swbell.net>> wrote:
>>
>> Maureen,
>>
>> You should  consider the "sensational Blackboard" available at
>> http://sensationalbooks.com/.
>> With this $30 item, a blind or sighted person can rapidly sketch a
>> graph using a ball-point pin and a plane piece of paper, and the
>> blind individual can feel the graph, and a sighted person can see the
graph.
>>
>> Regards
>> Louis Maher
>> 713-444-7838
>> ljmaher at swbell.net<mailto:ljmaher at swbell.net>
>>
>>
>> -----Original Message-----
>> From: Blindmath [mailto:blindmath-bounces at nfbnet.org] On Behalf Of
>> Lewicki, Maureen
>> Sent: Monday, November 04, 2013 3:50 PM
>> To: 'Blind Math list for those interested in mathematics'
>> Subject: [Blindmath] graphing inequalities
>>
>> I Have a student who is going to have to graph inequalities. I am
>> thinking the best approach is to have her graph them using the APH
>> graphic aid, push pins for dotted lines, rubber bands for solid
>> lines, and I am thinking that to for the student to show the areas, I
>> can have her use Wiki sticks in one direction for one equation and
>> wiki sticks in another direction for the other.
>>
>> In terms of her handing in this work  I have been showing her how to
>> photograph the graph, but this is not so fail safe. The graph is
>> usually too far away for the teacher to see the details, and the
>> student has no idea if the photo will make sense.
>>
>> Any suggestions? No calculators permitted at this point. The second
>> part of this issue is convincing the classroom teacher that it will
> work!
>>
>>
>>
>> Maureen Murphy Lewicki
>> Maureen Murphy Lewicki
>> Teacher of Visually Impaired
>> Bethlehem Central School
>> 332 Kenwood AvenueDelmar, NY 12054
>> http://bethlehemschools.org<http://bethlehemschools.org/>
>> (518) 439-7460
>> Fax (518) 475-0092
>> "The real problem of blindness is not the loss of eyesight.  The real
>> problem is the misunderstanding and lack of education that exists.
>> If a blind person has the proper training and opportunity, blindness
>> can be reduced to a mere physical nuisance."Kenneth Jernigan
>>
>>
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