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 ...

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.

Instead of memorization and lectures in classrooms, SESP Prof. Jen Munson, who studies learning science, envisions a ...