Semantic structures of one-step word problems involving multiplication or division |
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Authors: | Siegbert Smidt Werner Weiser |
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Institution: | (1) Erziehungswissenschaftliche Fakultät Seminar für Mathematik und ihre Didaktik, Universität zu Köln, Gronewaldstraße 2, D-50 931 Köln, Germany;(2) Institut 9, Universität Hamburg, Von-Melle-Park 8, D-20146 Hamburg, Germany |
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Abstract: | 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 semantic structures of one-step word problems involving multiplication or division is proposed, comprehending four main classes: Forming the n-th multiple of measurers, combinatorial multiplication, composition of operators, and multiplication by formula. This classification is more comprehensive and differentiated than the classifications of Vergnaud (1983), Nesher (1988), and Bellet al. (1989) — aiming at a better assignment between diverse contextual circumstances and conceptual demands of mathematics and at compatibility with the well-known semantic structures of addition and subtraction word problems. |
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