Estudio del impacto de una propuesta de intervención para la enseñanza de la adición y sustracción de los números enteros desde un enfoque socioepistemológico. Caso: grado séptimo de la Institución Educativa Rafael Uribe Uribe del municipio de Valparaíso - Antioquia

Abstract

The purpose of this work was to study the impact of a didactic intervention proposal for teaching the addition and subtraction of whole numbers. A case study was carried out in the seventh grade of the Rafael Uribe Uribe Educational Institution of the Municipality of Valparaíso - Antioquia, and had as theoretical framework the Socioepistemological theory of Educational Mathematics (Cantoral, 2013), Which is considered the basis for the social construction of mathematical knowledge and articulated in a very good way with the Institutional Educational Project (PEI). The intervention proposal was designed, initially supported by a diagnostic test in order to know the students' previous knowledge about the mathematical object of study; We analyzed the results of this test, associated with the epistemological obstacles established by Glaeser (1981), (cited by Cid, 2000), a playful strategy called "The Bank of Tapas" was proposed, taking advantage of certain socially shared practices of students, Such as: the use of dice and financial credit, where the use and manipulation of concrete material was involved. Finally, a Virtual Learning Object (OVA) was selected, called "Playing and Learning", where students developed several activities related to socially shared practices such as weather forecasting and localization, interacting with this virtual technological resource, favoring the development of numerical thinking. As a result of the intervention, there was a positive change in the attitude of the students, there was a development of skills and abilities for cooperative and collaborative work and active participation in their learning process was observed, through mediation of use and manipulation of concrete material and interaction with the OVA.