Relações métricas no triângulo retângulo: um estudo sobre as dificuldades da aprendizagem, de alunos do 1º ano ensino médio

Abstract

This article presents a qualitative research, whose objective was to understand the possible causes of the difficulties presented by students of the 1st year of High School of a state school in the municipality of Parintins-AM, involving the content of metric relations in the right triangle. Because, most students, when studying the content, exhibit difficulties in understanding, as well as in solving problems. Thus, seeking to understand the possible causes, the is based on the National Common Curricular Base (BNCC) and bibliographic research on related topics. As a methodological resource, it was decided to apply a workshop involving the construction of a model, associating the mathematical content taught, with activities carried out in the students' daily lives. During the development of the workshop, a participant observation was carried out and soon after, a questionnaire was applied to 10 students who agreed to participate in the research. For data analysis, the triangulation method was used. The work gains relevance as the research objectives were achieved, in such a way, the results obtained may express significant contributions to teachers who seek more effective strategies, in order to arouse the interest of students.