[Blindmath] constructions in Geometry

[White, Jason J]

> On Nov 20, 2015, at 09:07, Lewicki, Maureen via Blindmath <blindmath at nfbnet.org> wrote:
>
> Has anyone found an effective way to have a blind student do Constructions in Geometry? We are using wiki sticks and a draftsman with film paper but I was hoping for a more precise way to do it.

When I was in secondary school, we used the same technique that you describe, i.e., a board with a rubber mat to which plastic sheets were clipped. The board had set squares and was graduated with centimeter divisions, allowing for quite precise measurements.

Also available were a braille ruler, a compass and a protractor.

20 years later, there do not appear to be any superior alternatives, so far as I know.


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