Materials were written for an entire year's course in geometry in which transformations were used to develop the concepts of congruence, similarity, and symmetry, as well as being a vehicle for proof.

https://doi.org/10.5951/mathteacher.106.7.0496 • https://www.jstor.org/stable/10.5951/mathteacher.106.7.0496 Copy URL ...

Math Arena is a fast-paced, graphics and sound-filled interactive CD-ROM that focuses on mathematical problem solving. Concepts covered include angles, coordinate graphing, transformational geometry, ...

Description: Incidence geometry in planes and space, separation in planes and space, angular measure, neutral geometry, history of the parallel postulate, Euclidean geometry of the plane and space, ...