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Educação e Realidade
versión impresa ISSN 0100-3143
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LOPES, Lidiane Schimitz; ALVES, Gilson Leandro Pacheco y FERREIRA, André Luís Andrejew. The Symmetry in Math Classes: an investigative proposal. Educ. Real. [online]. 2015, vol.40, n.2, pp.549-572. ISSN 0100-3143. https://doi.org/10.1590/2175-623646015.
This article presents an overview about the didactics of mathematics and symmetry, as well as an activity proposal. Based on theories involving didactics of mathematics, an instructional sequence using accessible materials, capable of being accomplished in numerous classrooms, was designed. At the same time, by means of ethnomathematics, it is noticed that, throughout history, symmetrical patterns are related to the respective cultural moment. In this search, an approach of geometric transformations for K-12 education is explored. Through this elaboration, application, and analysis of an instructional sequence, we believe that we have contributed for the emergence of other possibilities, always considering the specificities of each class.
Palabras clave : Didactics of Mathematics; Ethnomathematics; Investigation; Symmetry.