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Download full textLo, Jane-Jane; Cox, Dana Christine – North American Chapter of the International Group for the Psychology of Mathematics Education, 2018
Teaching geometry courses for preservice elementary teachers, we observed that difficulty with classifying shapes (and, in particular, composite 3-D shapes) persists even after work with simple shapes to support the writing of accurate and unambiguous definitions. We conducted a self-study of our teaching of 3-D concepts to uncover the concept…
Descriptors: Definitions, Geometric Concepts, Concept Formation, Preservice Teachers
