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Direct linkSteinke, Dorothea A. – Journal of Research and Practice for Adult Literacy, Secondary, and Basic Education, 2017
Community college developmental math students (N = 657) from three math levels were asked to place five whole numbers on a line that had only endpoints 0 and 20 marked. How the students placed the numbers revealed the same three stages of behavior that Steffe and Cobb (1988) documented in determining young children's number sense. 23% of the…
Descriptors: Developmental Programs, Community Colleges, College Mathematics, Remedial Mathematics
Download full textSteinke, Dorothea A. – Journal of Adult Education, 2015
Earlier institution-sponsored research revealed that about 20% of students in community college basic math and pre-algebra programs lacked a sense of part-whole relationships with whole numbers. Using the same tool with a group of 86 workforce students, about 75% placed five whole numbers on an empty number line in a way that indicated lack of…
Descriptors: Community Colleges, Number Concepts, Number Systems, Numbers
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
