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Visualization in Geometry--Two Sides of the Coin.
Hershkowitz, Rina – Focus on Learning Problems in Mathematics, 1989
Examines the role of visualization within the process of geometrical concept attainment for students in grades five through eight, preservice elementary teachers, and inservice senior elementary teachers. Investigates the "bitrian" and "biquad" examples, numbers of critical attributes, elements in triangles, judgment in quadrilateral examples, and…
Descriptors: Concept Formation, Elementary School Mathematics, Geometric Concepts, Geometry