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Download full textMéxas, José Geraldo Franco; Bastos Guedes, Karla; da Silva Tavares, Ronaldo – International Association for Development of the Information Society, 2014
The representation of figures in mongean projection (double system planned orthographic projection used in the studies of Descriptive Geometry), specially when placed in a particular situation in relation to the projection plans, possesses the quality that, through them, the actual dimensions of represented spatial objects can be found directly…
Descriptors: Geometry, Mathematics Instruction, Visual Aids, Geometric Concepts
Giraldo, Victor; Carvalho, Luiz Mariano; Tall, David – International Group for the Psychology of Mathematics Education, 2003
In this paper, we discuss the (potentially positive) pedagogical role of intrinsic limitations of computational descriptions for mathematical concepts, with special focus on the concept of derivative. Our claim is that, in a suitable approach, those limitations can act for the enrichment of learners' concept images. We report a case study with a…
Descriptors: Undergraduate Students, Foreign Countries, Educational Technology, Mathematical Concepts
Guimaraes, Luiz Carlos; Moraes, Thiago Guimaraes; Mattos, Francisco Roberto Pinto – Online Submission, 2005
In this paper we report on two complementary research results. In the first we describe a tool that allows different modes of synchronous distance teaching of mathematics. In the second we report the preliminary results of a pilot study conducted using this tool to teach geometry, both with school students aged 14-15 and with undergraduate…
Descriptors: Undergraduate Students, Distance Education, Geometry, Foreign Countries
