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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 (re) significación de la proporcionalidad directa e inversa para docentes de la básica primaria, desde una mirada etnomatemática
This research project was carried out with the participation of primary school teachers from the Pascual Correa Flórez educational institution in the municipality of Amagá - Antioquia who were in charge of the area of ...
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 ...
Caracterización de los procesos de objetivación en torno al concepto de patrones con estudiantes de segundo grado de la básica primaria
The research that is presented below is concerned with inserting the concept of pattern into the second grade classroom of the Primary Basic class, which corresponds to the fact that during the first years of schooling the ...
El cuento como mediación didáctica e interdisciplinar para la comprensión matemática y las demás ciencias en el grado primero
The aim of this thesis is to propose the use of children's stories as a didactic strategy to increase the understanding of science and mathematics in children of the first grade of the José Antonio Galán de la Estrella ...
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. ...
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 ...
