Alternative conceptions about the concept of slope in high school students of a rural area

Authors

DOI:

https://doi.org/10.33010/ie_rie_rediech.v15i0.1942

Keywords:

Alternative conceptions, slope, task based interviews, rural area

Abstract

This paper reports the results of a research whose objective was to identify alternative conceptions about the concept of slope in high school students of a rural area. A task-based interview was used to collect data from twenty-eight 12th grade students, and the thematic analysis method was used for their respective analysis. The alternative conceptions of the slope identified were: the length of a line segment, an object, a linear equation or some element of it, the value of the angle of inclination of a line, a concept proper or characteristic of lines, the distance from the x axis to a point on it, the slope of a line graphically represents a point on the cartesian plane, and the sign of the slope is determined by the sign of the semi x axis where the graph is located. These results invite us to reflect on future research to promote an improvement in learning about the concept of slope.

Author Biographies

Gerardo Salgado-Beltrán, Universidad Autónoma de Guerrero, México

Es Doctor en Ciencias con especialidad en Matemática Educativa por la UAGro. Es miembro del Sistema Nacional de Investigadoras e Investigadores, Nivel C, y miembro del Padrón Estatal de Investigadores del Estado de Guerrero. Ejerce la docencia en diferentes programas educativos de la UAGro. Es miembro del Cuerpo Académico “Matemática Educativa”. Actualmente estudia la comprensión de objetos matemáticos a través de las conexiones matemáticas.

Javier García-García, Universidad Autónoma de Guerrero, México

(Autor de correspondencia). Es Doctor en Ciencias con especialidad en Matemática Educativa por la UAGro. Es miembro del Sistema Nacional de Investigadoras e Investigadores, Nivel 1, e impacta en diversos programas educativos de la misma universidad. Actualmente trabaja en la línea de conexiones matemáticas y su incorporación al aula para la mejora de la comprensión, de la cual han derivado diversos artículos científicos como “Mathematical understanding based on the mathematical connections made by Mexican high school students regarding linear equations and functions” (2024).

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Published

2024-05-28

How to Cite

Salgado-Beltrán, G., & García-García, J. . (2024). Alternative conceptions about the concept of slope in high school students of a rural area. IE Revista De Investigación Educativa De La REDIECH, 15, e1942. https://doi.org/10.33010/ie_rie_rediech.v15i0.1942