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Verhoef, Nellie C.; Coenders, Fer; Pieters, Jules M.; van Smaalen, Daan; Tall, David O. – Professional Development in Education, 2015
This study focuses on mathematics teachers' professional development through elements of Japanese lesson study. The teachers designed a research lesson with regard to sense-making of the derivative using the integration of GeoGebra. In the second year of the four-year lesson study project, seven secondary school teachers--from different Dutch…
Descriptors: Foreign Countries, Faculty Development, Mathematics Teachers, Geometric Concepts
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Webb, David C.; van der Kooij, Henk; Geist, Monica R. – Journal of Mathematics Education at Teachers College, 2011
This article describes Realistic Mathematics Education (RME), a design theory for mathematics education proposed by Hans Freudenthal and developed over 40 years of developmental research at the Freudenthal Institute for Science and Mathematics Education in the Netherlands. Activities from a unit to develop student understanding of logarithms are…
Descriptors: Instructional Design, Numbers, Mathematics Instruction, Foreign Countries