Working with visually impaired students: Strategies developed in the transition from 2D geometrical objects to 3D geometrical objects
Résumé
In this paper, I will present some of the results of research that was carried out, during my master studies, that aimed to examine the strategies that visually impaired students develop while coping with the transition from 2-dimensional (2D) to 3-dimensional (3D) geometrical objects, and also their correlation with the concepts of visualization, haptic perception, gestures and language. A teaching experiment took place in a support unit for visually impaired students. The results showed that the students develop geometrical thinking procedures that are influenced by the concepts of visualization, haptic perception, gestures and language.
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