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RESEARCH PAPER
Demonstration Process Skills: From Explanation to Validation in a Precalculus Laboratory Course
1
Universidad Industrial de Santander, COLOMBIA
Publication date: 2021-10-14
EURASIA J. Math., Sci Tech. Ed 2021;17(11):em2033
KEYWORDS
ABSTRACT
We present results of a research developed with first semester students from a Colombian Public
University based on classroom intervention in a precalculus laboratory course mediated by an
interactive mathematical software. We characterize and exemplify the cognitive skills of
explanation, justification, argumentation and validation, using a methodological tool of analysis
that integrates the ckç model of Balachef and Margolinas to Toulmin’s model. This tool allows us
to identify some elements that characterize each of these skills and allow us to offer a structure
of analysis that we present as a proposal for the design of activities in research, based on
classroom interventions that promote the development of demonstration skills.
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| eISSN: | 1305-8223 |
| ISSN: | 1305-8215 |
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