Matemática financeira para estudantes do 9º ano do ensino fundamental: uma experiência em comércio digital

Abstract

The teaching of financial mathematics can bring significant experiences in the lives of young people. This paper presents an investigation developed with nine students in the ninth grade of elementary school, in a municipal school of Edealina, in the state of Goiás, promoted in the scope of a research project of the Professional Master in Mathematics in National Network - PROFMAT of the Federal University of Catalão. The objective of this study was to investigate the mathematical learning of elementary school students from the insertion of Financial Mathematics topics in a remote experience of entrepreneurship. The research is qualitative and of the case study type. To this end, didactic sequences were applied to promote the participants' skills in percentages, simple interest, compound interest, and application in digital commerce. Due to the COVID-19 pandemic, the activities were carried out remotely during the participants' shifts. The data collected was analyzed by creating axes and categories of analysis defined from the materials: activities performed by the participants, the e- commerce sales experience, and interviews about the participants' opinion when they concluded the research. It was noticed that the mathematical learning occurred in the application of this work due to the answers obtained in the interviews with the participants and their satisfaction with the profit obtained with the sales of the products.