Lindsay identifies lines of symmetry on three shapes.

This QuickTime movie uses polygons to illustrate the basic geometric term, symmetry. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie further develops the introduction to this basic geometric term, symmetry, by creating several several objects with lines of symmetry. As you watch and listen to the teacher and student interact it helps clarify the...

This QuickTime movie provides an introduction to the basic geometric term, symmetry. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie uses a simple game to illustrate the basic geometric term, symmetry. As you watch and listen to the teacher and student interact, it helps clarify the thinking behind applying this concept.