Transforming Middle School Geometry: Designing Professional Development Materials that Support the Teaching and Learning of Similarity

Nanette Seago; Jennifer Jacobs; Mark Driscoll

Middle Grades Research Journal Vol. 5, No. 4 (2010) pp. 199–211

Although there are increasing numbers of professional development (PD) materials intended to foster teachers' mathematical knowledge for teaching within the topics of number and algebra, little attention has been given to geometry. In this article...