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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
Download full textCozza, Barbara; Foley, Mary; Laboranti, Carol – Online Submission, 2009
Trends in International Mathematics and Science Study raised the concern that the United States (US) mathematics teachers place less emphasis on topics and teach a variety of content strands (Goldsmith, Mark & Kantrov, 2000; Kerachsky, 2008). The overall pattern in the US mathematics classrooms today is that primary and upper elementary…
Descriptors: Classrooms, Grade 6, Grade 4, Mathematics Teachers
