Movimento da matemática moderna aos tempos atuais: uma análise de livros didáticos sobre explicitação e exploração das propriedades das operações

Abstract

This research work analyzed six collection of text books, three of them from the time of Modern Mathematics Movement and the other three from nowadays. We seek to analyze the most used text books of both times. The analyzes was based in concepts and argumentation as cathegories of analysis on operation proprieties. Some of the findings have shown that in the time of Modern Mathematics Movement there was more explication of the operation proprieties in the text books, by making the student to be aware of them, avoiding then a comprehension without mathematical foundation. On the other hand, the nowadays text books have shown lack, most of the time all, of mathematical explication for the student to be aware of, and understand mathematically speaking, why of certain mathematical steps in problem solving which involve operation proprieties. The research findings lead us to suggest that History of Modern Mathematics Movement be taken in Initial Mathematics Teacher Education as nowadays teachers are not aware of this Movement. This suggestion is based in our belief of the need of mathematical formality, along with content contextualization present today, for a stronger mathematical education.