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Direct linkKobiela, Marta; Lehrer, Richard – Mathematical Thinking and Learning: An International Journal, 2019
Design research was conducted to investigate the development of dynamic conceptions of area. Students used simple physical instruments, squeegees, and paint, to generate rectangular areas continuously as a sweeping motion of one length through another. Then, they dissected the resulting swept space into discrete units of measure by coordinating…
Descriptors: Geometric Concepts, Measurement, Concept Formation, Spatial Ability
