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Función: conversiones de registros en textos escolares

Authors: Fernández, Jimena; Bernardis, Silvia;

Función: conversiones de registros en textos escolares

Abstract

El tema funciones es considerado uno de los más importantes en la matemática y en la relación de esta ciencia con otras disciplinas. La dificultad de los estudiantes para relacionar los diferentes registros semióticos que permiten representar y trabajar con funciones es una de las más mencionadas por los investigadores de Educación Matemática. En este trabajo se analiza la propuesta para el abordaje del tema de cuatro textos escolares actuales, se focaliza en describir las tareas que presentan en torno a los registros de representación que ponen en juego y a la demanda cognitiva que su resolución exige al estudiantado. Los textos analizados presentan tareas con una demanda cognitiva predominantemente del segundo nivel, es decir, requieren que los estudiantes establezcan relaciones entre distintos registros en una misma tarea para su resolución. Sin embargo, los autores priorizan las tareas de conversión entre el registro verbal al gráfico y viceversa. Las demás conversiones son muy poco demandadas en la resolución de las tareas.

Functions are considered one of the most important topics in mathematics as well as the relationship of this science with other disciplines. The student's difficulty to relate the different semiotic registers that allow representing and working with functions is one of the most mentioned by Mathematics Education researchers. This paper analyzes the proposal for addressing the theme of four current school textbooks, focusing on describing the tasks presented around the registers of representation that they put into play and the cognitive demand that their resolution requires from the student body. The analyzed texts present tasks with a predominantly second level cognitive demand, that is, they require students to establish relationships between different registers in the same task for its resolution. However, the authors prioritize conversion tasks between verbal to graphic register and vice versa. The other conversions are very little demanded in the resolution of the tasks.

Country
Spain
Related Organizations
Keywords

Representation register, Registros de representación, Demanda cognitiva, Cognitive demand, Conversiones, Function, Conversions, Función

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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