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.

This study investigated the ways in which the technological tool, The Geometer's Sketchpad, mediated the understandings that high school Honors Geometry students developed about geometric ...

Maryland may combine algebra and geometry courses for older students as part of a broader effort to improve performance in math across the state. A draft of the proposed policy shows that officials ...