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1994 Book DidacticsOfMathematicsAsAScien
computer technology offers new representational freedom and flexibility
that may support a new attack on the "island problem" of formal mathemat- ics. In this sense, Kaput's paper is related to chapter 4 (technology) of this volume. Kaput develops a theoretical background for his representational perspective that combines insights from the history and epistemology of mathematics concerning the role of representations with cognitive theories on the role of representations for thinking processes. A first major historical change related to technology is the transition from inert to interactive media. Second, computer-assisted representation systems can become real action systems, that is, systems with an operative function similar to traditional symbol systems but that support different representational strategies than those underlying the traditional formal notations of mathematics. Third, a physical linkage of representational systems becomes possible. Examples of new software are briefly reviewed from this representational perspective (see, also, Tall, this volume). A major example in Kaput's paper is the analysis of an extended scenario of a lived-in simulation, in which students can "drive" MathCars, an interac- tive simulation environment that is designed to provide qualitatively new experiences from which students might develop qualitatively new under- standings of algebra, calculus, and physical motion and the role of modeling in this context. This may once more bring closer together that which became separated in history due to the division of labor between mathematics and physics. The author finishes by emphasizing the need for empirical research and for intervention by teachers so that students may really benefit from the new representational opportuinities. This concrete part of Kaput's paper is related to a research-based prepara- tion of mathematics for students (chapter 1). In this, it exemplifies the long path back from philosophical and epistemological reflection to constructive work with its own problems, regularities, and need for empirical evaluation. INTRODUCTION TO CHAPTER 7 332 REFERENCES Fischer, R. (1992). The "human factor" in pure and applied mathematics. Systems every- where: Their impact on mathematics education. For the Learning of Mathematics, 12(3), 9-18. Hoyles, C. (1992). Mathematics teaching and mathematics teacher: A meta-case study. For the Learning of Mathematics, 12(3), 32-45. Jahnke, H.-N., Knoche, N., & Otte, M. (1991). Das Verhältnis von Geschichte und Didaktik der Mathematik. Antrag für ein Symposium, Institut für Didaktik der Mathematik, Universität Bielefeld. [Proceedings in preparation] ROLF BIEHLER NCTM (1969). Historical topics for the mathematics classroom. 31st NCTM yearbook. Wahington, DC: The National Council of Teachers of Mathematics. NCTM (1989). Historical topics for the mathematics classroom (2nd ed.). Reston, VA: The National Council of Teachers of Mathematics., Otte, M., Jahnke, H. N., Mies, T., & Schubring, G. (1974). Vorwort. In M. Otte (Ed.), Mathematiker über die Mathematik (pp. 5-23). Berlin: Springer. Papert, S. (1980). Mindstorms: Children, computer and powerful ideas. New York: Basic Books. Steiner, H.-G. (1965a). Mathematische Grundlagenstandpunkte und die Reform des Mathematikunterrichts. Mathematisch-Physikalische Semesterberichte, XII(1), 1-22. Steiner, H.-G. (1965b). Menge, Struktur, Abbildung als Leitbegriffe für den modernen mathematischen Unterricht. Der Mathematikunterricht, 11(1), 5-19. Steiner, H.-G. (1987). Philosophical and epistemological aspects of mathematics and their interaction with theory and practice in mathematics education. For the Learning of Download 5.72 Mb. Do'stlaringiz bilan baham: |
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