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1994 Book DidacticsOfMathematicsAsAScien
Curriculum and Evaluation and Professional Standards for Teaching Math-
ematics (NCTM, 1989, 1991). Responsibility for public education in the United States is a state and lo- cal function, with day-to-day decisions about curriculum and teaching under the control of over 16,000 local school districts. Some of those districts are quite large, with substantial supervisory staffs attending to the quality of in- struction in each discipline at each level of schooling. But most are quite small, with limited resources to support curricular innovation or teacher pro- fessional development. Therefore, the complex array of advice from the mathematical, psychological, and educational research communities tends to have only modest impact on local decisions. There is no national curricu- lum. In fact, in most school systems, curriculum development involves only selection of text materials from the offerings of, generally cautious, com- mercial publishers. That selection is made with strong influence by class- room teachers whose decision criteria are shaped primarily by personal ex- perience in the classroom. The difficulty of stimulating major reform in the curriculum or teaching of school mathematics has always been a frustration to national professional leaders. The history of American mathematics education in this century is marked by sporadic advisory reports from concerned professional organiza- tions. The recommendations in those reports tend to spur activity at the sur- face of the profession, but seldom have the innovations been broad and per- manent (NACOME, 1975). However, in the last decade, concern about the quality of mathematics and science education has been an issue in state and national political debates. The need for national leadership in reform has gradually overcome the natural American antipathy toward ideas like a na- tional curriculum or national assessments of educational achievement. In this context, the National Council of Teachers of Mathematics undertook two projects to develop professional standards for curriculum, evaluation, and teaching that could guide schools and teachers across the country. The NCTM Standards, published in two volumes (NCTM, 1989, 1991), provide recommendations on three fundamental questions: What mathemat- ics is most important for students to learn? What is the most effective way to teach that mathematics? How should the effects of mathematics teaching JAMES T. FEY 22 be assessed? The processes and products of those standard-setting efforts give interesting insights into the ways that mathematical ideas are trans- formed into school curricula in a loosely structured system with many dif- ferent interested parties. First, membership on the committees to draft standards did not include a single academic mathematician or psychologist active at the research fron- tiers of mathematics or its teaching and learning. The various subcommit- tees were made up of outstanding classroom teachers, local and state school system supervisors, and university teacher educators. While each working group included members with broad understanding of mathematics and con- temporary research on student learning, that knowledge was applied to de- sign of school mathematics programs with additional insight gained from years of classroom experience. The Standards' emphasis on a practitioner's perspective explains a second noteworthy feature of the proposals – the recognition that it is virtually im- possible to separate the mathematical content of a curriculum from the learning experiences by which students acquire understanding and skill in that content. At each level (K-4, 5-8, 9-12) of schooling, the Standards rec- ommend important broad mathematical goals (though not so much detail as a syllabus for a national examination might require). But each recom- mended content topic is elaborated by discussion that includes illustrations of appropriate instructional approaches. While the Standards' documents are clearly influenced by contemporary ideas in mathematics (e.g., attention to stochastics and discrete mathemat- ics) and research on learning and teaching (e.g., emphasis on connections and active student construction of knowledge), that influence is transformed into recommendations clearly related to the classroom. In the Curriculum and Evaluation Standards, recommendations about discrete mathematics topics are accompanied by examples of practical situations modeled well by matrices, graphs, and difference equations. In the Professional Teaching Standards, each recommendation is accompanied by several vignettes of typical classrooms in action embodying the recommended practices. The NCTM Standards' projects represent a fundamentally new approach to the task of reforming American mathematics education and, in the pro- cess, the transformation of new knowledge about mathematics and its learning into school curricula and teaching. While previous reform propos- als have often been drafted by groups dominated by research mathemati- cians, frequently with the imprimatur of a policy-making group like the College Entrance Examination Board, the Standards' projects were a grass- roots operation led by mathematics educators with strong connections to the mathematical, psychological, and educational research communities, but also with credible knowledge and connections in school practice. Their work was not strongly theory-driven, and their recommendations are not Download 5.72 Mb. Do'stlaringiz bilan baham: |
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