- Create a sketchpad document illustrating the composition of three reflections giving a glide reflection, and ask students to explore special configurations.
- Explore the set of quadrilaterals whose sides have given
lengths. Or ....
*Avery Solomon has generated some fantastic classes this way!* **Web Resources:****Kali on the Web:**- http://www.geom.umn.edu/apps/kali/about.html
**Kali Exercises:**- http://www.geom.umn.edu/math5337/Wallpaper/kali_exercise.html
**Symmetry and the Shape of Space:**- http://comp.uark.edu/cgstraus/symmetry.unit
**Non-Euclid Applet and Activities:**- http://cs.unm.edu/joel/NonEuclid
**Geometry and the Imagination**- http://www.geom.umn.edu/docs/education/institute91
**David Joyce Geometry Applet:**-

http://aleph0.clarku.edu/djoyce/java/Geometry/Geometry.html