Os efeitos de uso de um aplicativo de celular nas aulas de matemática nos anos finais de turmas do oitavo ano de uma escola pública de Uruçuí Piauí

Abstract

This article brings an approach to the results of a field research carried out with students from an 8th grade class in the final years of elementary school. The applied activity was a cell phone application called “ Simple Ábaco Soroban” as a playful and practical activity for teaching mathematics, with the aim of developing mental calculation of basic operations addition and subtraction. The different regions of Brazil, crossing with primary data collected in this class. Bringing a brief history of the constructive process of numbering systems, highlighting the main abacuses in different civilizations and differentiating them from the Japanese abacus, Soroban. The methodology, in summary, starts from a questionnaire (diagnostic evaluation) presented to the students with a timed period of time that, once performance of each student is evaluated, the Soroban Abaco and its handling is presented, and, by finally, a new questionnaire with same time defined in the first evaluation/questionnaire. The obtained conclusions were satisfactory and positive, highlighting the studentś interactions and participation in the experiment