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Download full textPeña Acuña, Cristian Andrey; Rigo-Lemini, Mirela – North American Chapter of the International Group for the Psychology of Mathematics Education, 2020
The document presents a set of categories for the analysis of the conceptualization of the congruence of polygons--a central theme in school mathematics--and details the application of the analytical tools used, derived from Grounded Theory, in this construction. This set of categories is called 'Interpretive Model of the Conceptualization of…
Descriptors: Geometric Concepts, Plane Geometry, Concept Formation, Models
Cozza, Barbara; Foley, Mary; Laboranti, Carol – Online Submission, 2009
Trends in International Mathematics and Science Study raised the concern that the United States (US) mathematics teachers place less emphasis on topics and teach a variety of content strands (Goldsmith, Mark & Kantrov, 2000; Kerachsky, 2008). The overall pattern in the US mathematics classrooms today is that primary and upper elementary…
Descriptors: Classrooms, Grade 6, Grade 4, Mathematics Teachers
