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Revista latinoamericana de investigación en matemática educativa

versão On-line ISSN 2007-6819versão impressa ISSN 1665-2436

Resumo

LABRA PENA, Jorge Andrés  e  VANEGAS ORTEGA, Carlos Mario. Development of Geometric Thought in High School students, when they learn the concept of homothecy. Relime [online]. 2022, vol.25, n.1, pp.93-120.  Epub 19-Jun-2023. ISSN 2007-6819.  https://doi.org/10.12802/relime.22.2514.

The aim of this study is to characterize the development of levels of geometric thought in twelfth-grade chilean students, when they learn the concept of homothecy through a didactic sequence based on Van Hiele model. A qualitative methodology with a non-experimental design was used in this study for describing how the concept of homothecy transforms, and thus the geometric thought. A pretest-posttest design was used to evaluate the acquisition of the Van Hiele levels to strengthen the analysis of the qualitative data. The main results show a complete acquisition of Level 0 for most students. In addition, the proposed activities allowed the development of Level 0, and enabled the development of the first levels of acquisition of Level 1. This achievement is enhanced thanks to the manipulative and virtual resources used, the collaborative work among students and the sequencing of activities worked.

Palavras-chave : Teaching of geometry; Geometric thought; Van Hiele model.

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