[Blindmath] graphing inequalities

[Li Zhou]

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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