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Ulusoy, Fadime – International Journal of Mathematical Education in Science and Technology, 2023
This study investigates middle school students' reasoning about parallelism and perpendicularity of two line segments. Data were collected from 83 middle school students through an identification task consisting of various examples and non-examples of the parallelism and perpendicularity of two line segments. One-to-one interviews were also…
Descriptors: Middle School Students, Thinking Skills, Geometric Concepts, Intuition