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Reflections on "Multiplication as Original Sin": The Implications of Using a Case to Help Preservice Teachers Understand Invented Algorithms
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Harkness, Shelly Sheats; Thomas, Jonathan – Journal of Mathematical Behavior, 2008
This article describes the use of a case report, Multiplication as original sin (Corwin, R. B. (1989). "Multiplication as original sin." "Journal of Mathematical Behavior, 8", 223-225), as an assignment in a mathematics course for preservice elementary teachers. In this case study, Corwin described her experience as a 6th grader when she revealed…
Descriptors: Preservice Teacher Education, Preservice Teachers, Validity, Mathematics Instruction