DIDACTIC SEQUENCE FOR THE TEACHING OF TRIGONOMETRY: CONSTRUCTION AND USE OF THE HOMEMADE THEODOLITE IN HIGH SCHOOL

Abstract

The article presents a study about Trigonometry in the right triangle through the use of the theodolite. The objective is to investigate the effectiveness of the application of a didactic sequence in the teaching and learning of Trigonometry, with the help of the theodolite, for high school students. As a theoretical foundation, the studies of Zabala (1998), Freitas and Bittar (2004), Pires and Gomes (2004), Silva (2015) and Prudchenko (2021) were adopted. The research is characterized as qualitative, which was applied to 31 students of the 2nd year of high school of a public school in the municipality of Mocajuba, in the state of Pará. A didactic sequence was elaborated, structured with 2 activities, whose results showed that even with some difficulties, the use of the theodolite brought a new way of visualizing the content. It was concluded that the applied didactic sequence can be considered a potential for the teaching and learning process of trigonometric concepts.