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Direct linkDePiper, Jill Neumayer; Driscoll, Mark – Advances in STEM Education, 2018
We propose that there exists mathematical knowledge for teaching (MKT) specific to visual representations (VRs), abbreviated MKT-VR. We define a VR as a graphic creation, such as a diagram or drawing, which illustrates quantities and shows quantitative relationships or which illustrates geometric properties of figures and shows geometric…
Descriptors: Pedagogical Content Knowledge, Mathematics Instruction, Mathematics Teachers, Visual Aids
Seago, Nanette; Jacobs, Jennifer; Driscoll, Mark – Middle Grades Research Journal, 2010
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 we describe the Learning and Teaching Geometry project's approach to the development of PD materials…
Descriptors: Mathematics Education, Geometry, Educational Change, Middle School Teachers
