Unidad didáctica para desarrollar el sentido numérico de los estudiantes de grado séptimo teniendo como base los números enteros

Abstract

El presente trabajo contiene una propuesta que pretende desarrollar el sentido numérico con respecto a los números enteros, particularmente en los estudiantes de grado séptimo de la Institución Educativa Media de Aguas Blancas (Valledupar – Cesar) empleando la resolución de problemas contextuales, enfatizando el sentido y uso de enteros negativos. La propuesta se apoyó sobre aspectos histórico-epistemológicos, disciplinares con respecto al sistema de los números enteros y didácticos.

Abstract. In this Final work of Master´s degree is shown a Methodogical proposal in order to develop some components of number sense about integers numbers based on the solution of daily problems solutions. The proposal was developed taking the information obtained in a diagnostic test applied to seventh graders at the School of Media Education Aguas Blancas, in Aguas Blancas, Valledupar. After an historical, epistemological, discipline and methodological reflection of integer’s numbers system are shown three activities through which the student can develop the concept of integer’s numbers, their operations and their properties. By applying, the proposal results showed an improvement in learning of the experimental group compared with the other group the seventh to which traditional teaching was applied.