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Direct linkSandoval, Ivonne; Possani, Edgar – Educational Studies in Mathematics, 2016
The purpose of this paper is to present an analysis of the difficulties faced by students when working with different representations of vectors, planes and their intersections in R[superscript 3]. Duval's theoretical framework on semiotic representations is used to design a set of evaluating activities, and later to analyze student work. The…
Descriptors: Models, Semiotics, Undergraduate Students, Higher Education
Yue, Kui – ProQuest LLC, 2009
A shape grammar is a formalism that has been widely applied, in many different fields, to analyzing designs. Computer implementation of a shape grammar interpreter is vital to both research and application. However, implementing a shape grammar interpreter is hard, especially for parametric shapes defined by open terms. This dissertation…
Descriptors: Models, Geometric Concepts, Plane Geometry, Graphs
Gardner, Martin – Scientific American, 1979
Discusses some theorems and properties of figures produced when circles are tangent to one another. (GA)
Descriptors: Game Theory, Games, Mathematics, Models
