Mois : mars 2008

Résumé Sur la base d’observations récoltées auprès d’élèves de 12 à 13 ans de l’école secondaire genevoise, cet article présente une exploration et une description des démarches utilisées par ces élèves en situation de résolution de problèmes de quatrième valeur (incluant des situations proportionnelles et pseudo-proportionnelles) pour répondre à leurs doutes quant à la pertinence de la procédure … Lire la suite

Abstract The study presented in this article describes and analyzes, as didactic inter-actions, atypical strategies – being defined as atypical of the rational solu-tions to the situation – of primary school students in special education classes in the context of mathematics teaching/learning situations. The criteria applied to identify these strategies were their marginal character, not … Lire la suite

Leone Burton refused to be seduced by celebrity. Driving her to deliver a keynote lecture, a colleague was surprised to notice that she was wearing socks showing pictures of cartoon characters. Leone’s response to a nervous enquiry about this attire was: “Today many people will be listening to me, and wearing ridiculous socks reminds me … Lire la suite