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Direct linkGibson, David – Mathematics Teaching, 2011
In the September 2010 issue of "Mathematics Teaching," Tom O'Brien offered practical advice about how to teach addition, subtraction, multiplication, and division and contrasted his point of view with that of H.H. Wu. In this article, the author revisits Tom's examples, drawing on his methodology while, hopefully, simplifying it and giving it…
Descriptors: Opinions, Number Systems, Methods, Teaching Methods
Morley, Arthur – Mathematics Teaching, 1978
Described are two methods of calculating developed by the Dutch WISKOBAS Project: addition and subtraction with a loop abacus and multiplication using a grid model. (MP)
Descriptors: Addition, Algorithms, Cognitive Development, Computation
