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- Title
Dörtgenleri Simetri Perspektifinden İncelemenin Geometrik Düşünmeye Etkisi: Dikdörtgen ve Eşkenar Dörtgen Tanımı Örnekleri.
- Authors
KAZAK, Sibel; DUATEPE-PAKSU, Asuman
- Abstract
The aim of this study was to examine the change in students' geometric thinking through their approaches to definitions of rectangle and rhombus after an intervention. The intervention involved students' exploration of quadrilaterals from symmetry perspective using paper folding. The participants were 21 sophomore students enrolled in a Teaching Mathematics Program at a university. Single group, pre- and post-test research design was used in the study. The data were collected through a questionnaire that involves determining and defining quadrilaterals (before and after the intervention) and interviews with selected five students after the intervention. Data were analyzed in respect to such aspects of quadrilateral definitions as exclusiveness, inclusiveness and necessary and sufficient conditions. After the intervention there was a notable development in participants' understanding of inclusive relations in their definitions of rectangle and rhombus. In addition, their definitions improved with respect to the necessary and sufficient conditions of these quadrilaterals.
- Subjects
PAPER arts; QUADRILATERALS; RECTANGLES; SYMMETRY; EXPERIMENTAL design
- Publication
Gazi University Journal of Gazi Educational Faculty (GUJGEF), 2019, Vol 39, Issue 3, p1421
- ISSN
1301-9058
- Publication type
Article