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Noción de número racional en grado tercero: construcción de objetos abstractos a partir de acciones concretas
Obando (2003) argues that there are many questions that arise in the teaching-learning processes of mathematics around the subject of fractions. In this paper we present a cognitive analysis that allows us to determine a ...
Las fracciones y sus usos desde la teoría modos de pensamiento
In this investigation we approach the understanding of the fraction concept in attention to its different uses as mathematical object. Due to the low results that have obtained for this topic in different national tests. ...