The variable concept: an analysis with high school students

Authors: Heli Herrera López, Abraham Cuesta Borges, Juana Elisa Escalante Vega

Abstract: This article analyze the results of the resolutions mode of 48 students
from three different levels of learning in high school, when they try to solve
problems that involve generalization and modeling process through the relation
between algebraic language with figurative, natural and arithmetic language.
Using the 3uv Model (3 uses of the variable) to describe the comprehension of
the different aspects that characterize the variable as the acting of the students
when they face tasks.

Key words: mathematical education, difficulties, high school teaching, algebraic
thinking, variables.






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