Modelagem matemática e o software GeoGebra no ensino de função do 1º grau

Abstract

The present essay resulted from a research conducted at the Moderna Fulltime High School Centre – CEMTI MODERNA, a state school located in São Raimundo Nonato-PI. It was designed so as to make the teaching of first grade functions more significant for students while utilizing two tools in Mathematics teaching: Mathematic Modelling, a method that combines theory and practice for problems solving; and Geogebra, computational software that enables the work with functions, graphs, geometry, in an interactive way. This search has been applied to 25 students from High School first grade from the referred school. The results were obtained through pre-test analyses about basic knowledge on first grade functions. Then, meetings in classrooms as well as at the school’s Mathematics lab were conducted, in which both methods were used, followed up by yet another test. The results have shown that Mathematics Modelling and Geogebra software have rendered classes more dynamic, have made students participate more, and offered thus a better understanding and perception of the theory.