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Didactic Situations and Didactical Engineering in university mathematics: cases from the study of Calculus and proof
(Taylor & Francis, 2014-06)
This paper discusses the use of the Theory of Didactic Situations (TDS) at university level, paying special attention to the constraints and specificities of its use at this level. We begin by presenting the origins and ...
Covariation between variables in a modelling process: The ACODESA (collaborative learning, scientific debate and self-reflection) method
(Springer, 2015-02)
Semiotic representations have been an important topic of study in mathematics education. Previous research implicitly placed more importance on the development of institutional representations of mathematical concepts in ...
The introduction of real numbers in secondary education. An institutional analysis of textbooks
(Taylor & Francis, 2013-07)
In this paper we analyse the introduction of irrational and real numbers in secondary textbooks, and specifically the propositions on how these should be taught, in a sample of Brazilian textbooks used in state schools and ...