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Download full textSack, Jacqueline; Vazquez, Irma – North American Chapter of the International Group for the Psychology of Mathematics Education, 2011
This research team has developed a learning trajectory on 3D visualization for elementary children. This paper focuses on the interchange among the three Spatial Operational Capacity framework representations, namely, 3D models, 2D conventional diagrams, and semiotic abstract representations, and the critical role of a dynamic computer interface…
Descriptors: Spatial Ability, Geometric Concepts, Visualization, Elementary School Mathematics
