The meaning of the quadratic function concept according to high school 1st yyear’s students: a historical-cultural approach
DOI:
https://doi.org/10.5007/1982-5153.2018v11n1p237Abstract
The present study aims to enlarge the understanding about the meaning on the quadratic function concept, according to students from a 1st stage high school class, considering ideas and concepts from the historical-cultural approach. Empirical data were produced from math classes taught by an academic math course to take the course Supervised: Mathematics in High School. Empirical data are: record of the classes developed in an analytical-reflexive report that is constituted as field diary; developed plans cut-outs. Elements such as scientific and spontaneous concepts, conceptual relations and proximal development zone (PDZ) structure the text into units and subunits of analysis. Caraça (1998) and Vygotsky (1991), among others, extend the understandings of the proposed analysis. Among the final considerations presented there is the idea that the concepts can be raised to a signification level greater by students, through the establishment of conceptual relations, and that the teacher interferes in the interpsychological plan of the concepts formation.Downloads
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