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Direct linkSteketee, Scott; Scher, Daniel – Mathematics Teacher, 2012
Composition of functions is one of the five big ideas identified in NCTM's "Developing Essential Understanding of Functions, Grades 9-12" (Cooney, Beckmann, and Lloyd 2010). Through multiple representations (another big idea) and the use of The Geometer's Sketchpad[R] (GSP), students can directly manipulate variables and thus see dynamic visual…
Descriptors: Geometric Concepts, Mathematics Instruction, Teaching Methods, Secondary School Mathematics
