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Lesson Plans

Re: grids

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Clair/Lily Kerns (CWKerns)
Wed, 26 Mar 1997 14:17:50 -0600

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Enlarging via a grid may be useful in helping students learn to judge the
relative position of a line or point. Having students enlarge individual
segments, and then putting these enlargements together will reveal their
skill ( or lack of ) in judging relative position.

However, the results always seem to me to be stiff and awkward (my lack of
skill perhaps?) I learned long ago (long before copy machines that enlarge
and overhead projectors to project an image) that I always needed to
redraw a grid-enlarged image with the total, larger, image in mind in order
to get a graceful image. This can also give a confident, rather than
tentative line.

In the classroom this might mean drawing over the enlarged image with a
marker or heavy charcoal, or even tracing/re-drawing the image on another

And then of course, there's always drawing onto a distorted or skewed
grid--some kids will get a big kick out of this--kind of a primitive
morphing.....If you're using computers, there are filters available that
let you set the distortion of the grid.

Lily Kerns CWKerns

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