El fenómeno de las balas pérdidas como práctica de referencia para la construcción social de lo cuadrático

Abstract

The design of a social laboratory in mathematics like scenario for the social construction of the quadratic’s representations, this part of a renovated speech in the mathematics teaching when the intention is to strengthen the relation between: school mathematics and the experimentation, since a physical phenomenon; the school mathematics and the environment, since a social phenomenon; and the school mathematics and the concept, since the representations. Mathematical modeling like a social practice is a normative process, discursive and practical to permit the construction of the quadratic’s representations since two reference practices: first of them, the phenomenon of the lost bullets in Colombia and the second parabolic motion, one linked to another, which guide the social laboratory for the quadratic’s construction made up for five phases and mediated by the free application software Tracker implementation. Students of sixth and seventh grade of High School belong to the investigation group Mathema Kids do a complete route for the laboratory, ending in the representations appropriation near to mathematical object of study, and so to infer since mathematics about a particular social phenomenon.