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Calculus2
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Herbert, Sandra2
Pierce, Robyn2
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Revealing Educationally Critical Aspects of Rate
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Herbert, Sandra; Pierce, Robyn – Educational Studies in Mathematics, 2012
Rate (of change) is an important but complicated mathematical concept describing a ratio comparing two different numeric, measurable quantities. Research referring to students' difficulties with this concept spans more than 20 years. It suggests that problems experienced by some calculus students are likely a result of pre-existing limited or…
Descriptors: Concept Formation, Mathematical Concepts, Calculus, Comparative Analysis
What Is Rate? Does Context or Representation Matter?
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Herbert, Sandra; Pierce, Robyn – Mathematics Education Research Journal, 2011
Rate is an important, but difficult, mathematical concept. Despite more than 20 years of research, especially with calculus students, difficulties are reported with this concept. This paper reports the results from analysis of data from 20 Australian Grade 10 students. Interviews targeted students' conceptions of rate, focussing on the influence…
Descriptors: Mathematical Concepts, Grade 10, Calculus, Mathematics Instruction