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Gailiunas, P.; Sharp, J. – International Journal of Mathematical Education in Science & Technology, 2005
Everyone is familiar with the concept that the cube and octahedron, dodecahedron and icosahedron are dual pairs, with the tetrahedron being self-dual. On the face of it, the concept seems straightforward; however, in all but the most symmetrical cases it is far from clear. By using the computer and three-dimensional graphics programs, it is…
Descriptors: Logical Thinking, Computer Graphics, Computer Simulation, Thinking Skills
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Osborn, Herbert H. – Educational Research, 1983
A test was given to 322 secondary students to develop a profile of mathematical ability based on four components: computation, pattern recognition, logical reasoning, and symbolic manipulation. These profiles were compared to mathematics test scores; the results verified hypotheses about individual differences in mental processes and knowledge…
Descriptors: Abstract Reasoning, Aptitude, Computation, Individual Differences