One Usage of Geogebra in Enhancing Pre-service Mathematics Teachers’ Content Knowledge

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Karmelita PJANİC, Edin LİĐAN

Abstract

A wide range of mathematical ideas could be used to develop and justify a formula for calculating the area of trapezoid. Those ideas lead to different strategies for finding out area of trapezoid that we classify in three groups: decomposing, enclosing and transforming strategies. Those strategies should be part of mathematics content knowledge for teaching. In this study we trace a change in structure of mathematics content knowledge of nine pre-service mathematics teachers as a result of using GeoGebra applets that visualize different approaches in finding out the area of trapezoid. We argue that engaging pre-service mathematics teachers to develop and justify formula for calculating the area of trapezoid using GeoGebra applets is a worth task that enhances pre-service mathematics teachers’ content knowledge for teaching. Our experiment confirmed that the use of Geogebra encourage pre-service mathematics teachers to uncover new ideas that lead them towards clearer justifications and easier way of proving formula for area of trapezoid.

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How to Cite
Karmelita PJANİC, Edin LİĐAN. (2015). One Usage of Geogebra in Enhancing Pre-service Mathematics Teachers’ Content Knowledge . Turkish Journal of Computer and Mathematics Education (TURCOMAT), 6(1), 18–30. Retrieved from https://turcomat.org/index.php/turkbilmat/article/view/77
Section
Research Articles