Resumo

BRICENO SOLIS, Eduardo Carlos  e  ALAMILLO SANCHEZ, Lizbet. Proposal of a didactic situation with the use of teaching material for the understanding of the notion of similarity in secondary school students. IE Rev. investig. educ. REDIECH [online]. 2017, vol.8, n.15, pp.111-131. ISSN 2448-8550.

See the result of the application of a didactic situation with secondary students to analyze how to understand the notion of similarity with the use of didactic material. The situation is based on the Theory of Didactic Situations with activities of construction of geometric figures with the use of tangram as material of didactic. The goal is that students generate a geometric representation of similarity and conjecture the idea of ​​reason. The results of the strategies with the use of the material to generate explanations on the notion of similarity.

Palavras-chave : didactic situations; teaching material; similarity.

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