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Acta Scientiarum. Education

versão impressa ISSN 2178-5198versão On-line ISSN 2178-5201

Resumo

OLIVEIRA, Francisco Wagner Soares  e  PEREIRA, Ana Carolina Costa. The instrument jacente no plano in a practice in the geometry teaching laboratory. Acta Educ. [online]. 2023, vol.45, e62025.  Epub 01-Dez-2023. ISSN 2178-5201.  https://doi.org/10.4025/actascieduc.v45i1.62025.

Research in Mathematics Education has increasingly highlighted the need for a Mathematics Teaching Laboratory to be made available in Primary and Secondary Education schools and in universities. One of the justifications is that this environment favors the training of students, as in this environment they can both learn and learn how to learn. In this article, the objective is to present a laboratory practice with undergraduate Mathematics Education students on the mobilization of the concepts of isosceles right triangle and perpendicularity in space based on the construction of the instrument jacente no plano - an instrument to find the altitude of sun - highlighting its didactic potential. This action has a qualitative nature and was supported by the contribution of a Basic Problematization Units. The study reveals, for example, based on the need to position the triangle perpendicular to the board, that the action encouraged students to think about a strategy which considered material and mathematical aspects. They were also able to visualize and apply abstract concepts in practical terms, a fact that possibly favored the attribution of even more meanings to the mobilized concepts. Therefore, it is concluded that exploring the instrument in a practice with undergraduate students can contribute to their professional development.

Palavras-chave : Geometry laboratory; instrument jacente no plano; initial teacher training.

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