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.

To learn the geometric concept of transformations this year, Crystal Watson’s eighth-graders drew up blueprints of apartments. As they worked, she asked them to imagine designing affordable housing ...

This is a preview. Log in through your library . Journal Information The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership ...