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Artículos

Vol. 15 N.º 2 (2012): Julio

SENTIDO ESTRUCTURAL DE ESTUDIANTES DE BACHILLERATO EN TAREAS DE SIMPLIFICACIÓN DE FRACCIONES ALGEBRAICAS QUE INVOLUCRAN IGUALDADES NOTABLES

Enviado
julho 14, 2023
Publicado
2012-07-01

Resumo

Neste artigo, analisa-se o sentido estrutural que estudantes de segundo grau (de 16 a 18 anos) manifestam ao trabalhar com expressões algébricas simples e complexas, no contexto da simplificação de frações algébricas que envolvam as igualdades notáveis: o quadrado da soma, o quadrado da diferença, diferença de quadrados e propriedade da distributiva ou fator comum. Através de uma prova escrita elaborada para tal fim, é detectado um amplo espectro de níveis de sentido estrutural. Estes níveis são responsáveis pela aplicação do conhecimento sobre igualdades notáveis por tais estudantes. A análise realizada permite avançar na compreensão do constructo sentido estrutural identificando algumas das habilidades que o componem e seu papel nas tarefas propostas.

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