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une étoile de mer
12 planches de bois (10 x 10 cm)
sur une feuille A4
déplacez les billes colorées dans le labyrinthe à votre guise ou en utilisant les fiches de devoirs
orange et blanc (10 cm)
Psychoarithmic: Hard Cover (anglais) lang-6-12 une étoile de merPsychoarithmetic by Maria Montessori provides a view of the working of the human mind through the lens of exercises and study of mathematics (arithmetic, geometry, and algebra and their relationships), as well as applied mathematics in the form of measurement. The intention of the book, to forge a link between psychology and mathematics, is obvious from the title. The book demands that the reader attend to each and every detail while at the same time
