Today we’re going to explore Geogebra. This is a free program that does a lot of the things Geometers Sketchpad does (they both have nice features that the other doesn’t have, but most of the obvious features are ones they share).
Goals with Geogebra:
- Construct a parallelogram
- Show what happens if your reflect an object twice (reflect first in one line, and then reflect the reflection in another line). Find another way to use a transformation to get from beginning to end.
- Check out some lessons various people have developed using Geogebra. Look in Sam Shah’s virtual filing cabinet, and search for “Geogebra”. Pick a lesson that looks interesting and do it. What would you/a student learn from this lesson? Was Geogebra an effective way to learn it?
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