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Antari, Dwi
Universitas Negeri Jakarta, Jakarta, Indonesia
Education

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Exploring Derivatives by Means of GeoGebra Sari, Puspita; Hadiyan, Aris; Antari, Dwi
International Journal on Emerging Mathematics Education IJEME, Vol. 2 No. 1, March 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1019.155 KB) | DOI: 10.12928/ijeme.v2i1.8670

Abstract

The paper aims to explain how GeoGebra can be used in a differential calculus course to explore the Derivative concepts by providing dynamic-visualizations of the concept. Design research methodology was used in this research by designing an instructional design (hypothetical learning trajectories) in the first phase and conducting the teaching experiment in the second phase. The data collected during the experiment consist of video recordings of the classroom activities, observations, interviews, and students written work. In the third phase of the design research, the data were analyzed retrospectively by comparing the actual learning process and the hypothetical learning trajectory. The results show that the dynamic feature of GeoGebra offers the possibility of zooming in on a graph corresponds to taking infinitesimal when a secant line transforms into a tangent line. This builds a foundation for the understanding of the definition of derivative intuitively.
Co-Authors Hadiyan, Aris Puspita Sari