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The Use of CAS in the Simplification of Rational Expressions and Emerging Paper-and-Pencil Techniques
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Martínez, Cesar; Kieran, Carolyn; Guzmán, José – North American Chapter of the International Group for the Psychology of Mathematics Education, 2012
In this paper we analyze and discuss students' performance in a CAS environment related to the simplification of rational expressions. Results indicate that if students have more initial paper-and-pencil techniques, the CAS environment spurs them to deeper theoretical reflections than for students who have fewer techniques. [For the complete…
Descriptors: Computer Assisted Instruction, Mathematics Instruction, Algebra, Mathematical Concepts