Rotation and parallel translation
Matematičeskoe obrazovanie, no. 1 (2021), pp. 17-22
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The article introduces the concepts of rotation and parallel translation of a plane in a non-standard way. The approach turns out to be methodologically justified, since the concept becomes not a formalization of a visual representation, but the nucleus of a cognitive block, in which both the visual representation and methods of activity “around” the given concept are developed.