La sensibilité de l’activité mathématique aux ostensifs. Objet d’étude et problématique
Abstract Current research in the didactics of mathematics usually underrates the role played in mathematics by what, due to their perceptual nature, we call ostensive objects, i.e. both the written and the spoken word, all kinds of symbolisms, graphical representations, and even gestures. In contradistinction to this widespread view, the anthropological approach assigns a vital … Lire la suite