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.

U.S. students’ math performance dropped significantly during the pandemic and has yet to recover. But students at all levels of K-12 schooling have been struggling with geometry and statistics ...

Statistics and geometry can seem disconnected from other areas of math, experts say, and teachers often get less preservice training in how to convey these concepts in the classroom. As a result, ...