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Daher, Wajeeh; Musallam, Nadera – International Journal of Mathematical Education in Science and Technology, 2018
The angle topic is central to the development of geometric knowledge. Two of the basic concepts associated with this topic are the adjacent and opposite angles. It is the goal of the present study to analyze, based on the cultural historical semiotics framework, how high-achieving seventh grade students objectify the adjacent and opposite angles'…
Descriptors: Geometric Concepts, Grade 7, High Achievement, Mathematics Instruction