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Brown, Roger G. – Educational Studies in Mathematics, 2010
The paper reports on the introduction of the graphics calculator into three centralised examination systems, which were located in Denmark, Victoria (Australia) and the International Baccalaureate. The introduction of the graphics calculator required those responsible for writing examination questions to consider how to assess mathematical skills…
Descriptors: Advanced Placement Programs, Mathematics Tests, Graphing Calculators, Foreign Countries
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Rivera, Ferdinand D. – Educational Studies in Mathematics, 2007
This paper provides an instrumental account of precalculus students' graphical process for solving polynomial inequalities. It is carried out in terms of the students' instrumental schemes as mediated by handheld graphing calculators and in cooperation with their classmates in a classroom setting. The ethnographic narrative relays an instrumental…
Descriptors: Mathematics Education, Graphing Calculators, Calculus, Mathematics Instruction
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Trouche, Luc – Educational Studies in Mathematics, 2000
Discusses the problems of conceptualization of the function limit in technological environments (principally graphing calculators today and symbolic calculators tomorrow) that are gradually being adopted in precalculus teaching. Explains how the instrumentation process and the conceptualization process are dependent on each other. Sets forth a…
Descriptors: Cognitive Processes, Concept Formation, Graphing Calculators, Secondary Education
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Graham, Alan T.; Thomas, Michael O. J. – Educational Studies in Mathematics, 2000
Presents a study using a module of work based on a graphing calculator that provided an environment where students could experience some aspects of variables and begin to build an understanding of them. Graphing calculators proved to be an instrument for achieving significant improvement in student understanding, which had often proved difficult…
Descriptors: Algebra, Cognitive Processes, Graphing Calculators, Mathematics Instruction
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Doerr, Helen M.; Zangor, Roxana – Educational Studies in Mathematics, 2000
Describes how the meaning of a tool was constructed by students and their teacher, and how students used the tool to construct mathematical meaning out of particular tasks through a qualitative classroom-based study. Suggests that the nature of the mathematical tasks and the role, knowledge, and beliefs of the teacher influenced the emergence of…
Descriptors: Calculus, Educational Technology, Graphing Calculators, Knowledge Base for Teaching
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Forster, Patricia A.; Taylor, Peter C. – Educational Studies in Mathematics, 2000
Presents an inquiry into students' conceptual development of a graphics calculator function for direction. Discusses reflective thinking and reflective enculturation, operational and structural understanding, and situated abstraction. (Contains 33 references.) (Author/ASK)
Descriptors: Case Studies, Cognitive Processes, Concept Formation, Elementary Secondary Education
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Quesada, Antonio R.; Maxwell, Mary E. – Educational Studies in Mathematics, 1994
Compared the performance of (n=710) college students taught precalculus using a graphing calculator approach to the performance of students using the traditional approach. Students in the first group scored significantly higher than the others on a comprehensive final exam. (16 references) (Author/MKR)
Descriptors: Calculus, College Students, Conventional Instruction, Graphing Calculators
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Forster, Patricia A.; Taylor, Peter C. – Educational Studies in Mathematics, 2003
Presents an exploration of conversation in a single episode of a 12th grade girls' calculus class. Analyzes Habermasian communicative competence which requires students to show critical thinking and the ability to express their views. Explains learning outcomes by teachers' mode of questioning, cooperative endeavor by students, instructional…
Descriptors: Calculus, Communication (Thought Transfer), Critical Thinking, Females