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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 ...
La noción de fracción en los libros de texto del grado tercero: un estudio de análisis de contenido
This paper presents the first formal approach –according to the textbooks – that students of third grade of elementary school should have when studying fractions. The research is the result of the authors’ experience in ...
La noción de equipartición a través de objetos musicales
The research that is presented below has its interest in the analysis of the construction of the notion of fraction equipartition in elementary students, through musical objects, the above because the methods currently ...
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. ...