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Perfiles educativos
versión impresa ISSN 0185-2698
Resumen
GONZALEZ PERALTA, Angelina Guadalupe y SANCHEZ AGUILAR, Mario. Knowledge of elementary teacher trainees regarding the perimeter and area of polygons. Perfiles educativos [online]. 2020, vol.42, n.169, pp.70-87. Epub 15-Feb-2021. ISSN 0185-2698. https://doi.org/10.22201/iisue.24486167e.2020.169.59328.
The objective of the investigation is to analyze the knowledge which elementary teacher trainees bring to bear when solving problems of perimeter and area of polygons. For this purpose, we chose twelve mathematical tasks: two involving factual knowledge of perimeter and area, four related to comprehension of those concepts, and six focused on exploring the use of routine procedures. With the instrument, we designed a code with which to classify and analyze participants’ written answers. Thirty-nine (39) Mexican undergraduate students in the elementary education program at a teacher train ing school participated in this qualitative study. On analyzing their answers, we identified difficulties in providing formal definitions of the concepts of perimeter and area, and the subjects appear to have greater familiarity with the use of routine procedures than comprehension of concepts.
Palabras llave : Educational mathematics; Knowledge; Mathematical knowledge; Early teacher training; Teacher training.