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Direct linkBrowning, Christine A.; Garza-Kling, Gina; Sundling, Elizabeth Hill – Teaching Children Mathematics, 2007
Although the nature of the research varies, as do concepts of angle, research in general supports the supposition that angle is a complex idea, best understood from a variety of perspectives. In fact, the concept of angle tends to be threefold, consisting of: (1) the traditional, static notion of two rays meeting at a common vertex; (2) the idea…
Descriptors: Geometry, Mathematics Instruction, Geometric Concepts, Educational Technology
