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Biber, Abdullah Çagri; Tuna, Abdulkadir; Dagdelen, Irfan; Kepceoglu, Ibrahim – Journal of Curriculum and Teaching, 2019
In this research, it is aimed to explore how students are able to define parallelogram and to establish relations with other quadrilaterals at each class level comparatively. Case study is chosen as the methodology of this study and the participants of the study are 120 middle school students from a state middle school in Turkey. Two open-ended…
Descriptors: Geometric Concepts, Middle School Students, Public Schools, Concept Formation