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Formación docente: el caso de la proporcionalidad

Abstract : The design of a teacher training on teaching proportionality can be based on the identification of difficulties of teachers, seen as symptoms of certain praxeological needs. However, in general, training proposals are met with resistance or objections from teachers: certain choices of organisation of the study offer advantages, the possible didactic costs of which teachers sometimes do not perceive. These costs have to do with the fact that the teaching of a given subject is generally conceived in isolation, at a particular level of study, while the didactic past and the didactic future of the subject of study would have to be taken into consideration. We illustrate our point in the case of the concept of a coefficient of proportionality to emphasize that overcoming a local problem at low cost can lead to other difficulties at unexpected levels.
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Contributor : Jean-Pierre Bourgade <>
Submitted on : Friday, July 24, 2020 - 2:46:21 PM
Last modification on : Wednesday, October 14, 2020 - 4:00:49 AM

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Jean-Pierre Bourgade. Formación docente: el caso de la proporcionalidad. X Congreso Internacional sobre Enseñanza de las Matemáticas, Feb 2020, Lima, Perú. ⟨hal-02906293⟩

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