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McClain, Kay; Cobb, Paul; Bowers, Janet – 1998
This paper discusses an approach to the study of algorithms which values students' construction of nonstandard algorithms but also emphasizes the essential roles of the teacher and instructional activities in supporting the development of students' numerical reasoning. Episodes are presented from a 3rd grade classroom in which a 9-week teaching…
Descriptors: Addition, Algorithms, Arithmetic, Computation