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Direct linkPaz, Tamar; Leron, Uri – Journal for Research in Mathematics Education, 2009
Functions are all around us, disguised as actions on concrete objects. Composition of functions, too, is all around us, because these actions can be performed in succession, the output of one serving as the input for the next. In terms of Gray and Tall's (2001) "embodied objects" or Lakoff and Nunez's (2000) "mathematical idea…
Descriptors: Concept Formation, Mathematics Instruction, Mathematical Concepts, Algebra
