El dominó

Objeto tecnológico didáctico para el aprendizaje nocional de números racionales

Abstract

This text presents, argues and defines dominoes as a technological didactic object and, as such, as a mediator of rational numbers notional learning in its different forms of representation. This is made through a descriptive analysis based on the categories that misunderlie every technological object (definition external qualities, primary and secondary functions, structure, argumentation as a system and connotation). Besides, the particularities of the relation teacher-student-knowledge is exposed in this context. This work explains the usage of the game with its variants in the classroom.