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Metaxas, Nikolaos; Karagiannidou, Andromachi – International Journal of Computers for Mathematical Learning, 2010
Visualization of mathematical relationships enables students to formulate conjectures as well as to search for mathematical arguments to support these conjectures. In this project students are asked to discover the sufficient and necessary condition so that two circles form the circumscribed and inscribed circle of a triangle and investigate how…
Descriptors: Geometric Concepts, Geometry, Visualization, Mathematics Instruction
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Bokhove, Christian; Drijvers, Paul – International Journal of Computers for Mathematical Learning, 2010
In the Netherlands, as in many other countries, the algebraic expertise of students graduating from secondary education is an issue. The use of digital tools for algebra education is expected to change epistemologies, activity structures and student achievement. Therefore, a study was set up to investigate in what way the use of ICT in upper…
Descriptors: Delphi Technique, Formative Evaluation, Test Construction, Evaluation Criteria
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Verner, Igor M. – International Journal of Computers for Mathematical Learning, 2004
This article considers the use of a learning environment, RoboCell, where manipulations of objects are performed by robot operations specified through the learner's application of mathematical and spatial reasoning. A curriculum is proposed relating to robot kinematics and point-to-point motion, rotation of objects, and robotic assembly of spatial…
Descriptors: Middle Schools, High Schools, Visualization, Teaching Methods
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Sinclair, Nathalie; Zazkis, Rina; Liljedahl, Peter – International Journal of Computers for Mathematical Learning, 2004
Recent research demonstrates that many issues related to the structure of natural numbers and the relationship among numbers are not well grasped by students. In this article, we describe a computer-based learning environment called "Number Worlds" that was designed to support the exploration of elementary number theory concepts by…
Descriptors: Mathematics Education, Mathematics Skills, Number Concepts, Numbers