In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...

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From classifications of word problems in international discussion of elementary mathematics instruction as well as from conceptual elaborations of didactical analyses in Germany, a classification of ...

Journal for Research in Mathematics Education, Vol. 16, No. 1 (Jan., 1985), pp. 3-17 (15 pages) Arithmetical operations were assumed to remain attached to primitive behavioral models that influence ...