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Download full textCohen, Nitsa – International Group for the Psychology of Mathematics Education, 2003
The transformation of a solid to its net is based on something quite different from simple perceptual impression. It is a mental operation performed by manipulating mental images. The aim of this study was to observe pre-service and in-service teachers' ability to visualize the transformation of a curved solid to its net and vice versa, and to try…
Descriptors: Preservice Teachers, Visualization, Visual Perception, Mathematical Concepts
