Psychoarithmic: Hard Cover (anglais) educo-math la mesure du périmètre et

la mesure du périmètre et de la surface et l'orientation spatiale

This puzzle stimulates hand-eye coordination and fine motor skills of the young child

it is constructed from specialized paper that is completely waterproof

Développe ta coordination visuo-motrice et ton sens de l'orientation spatiale tout en découvrant les concepts de programmation et les stratégies de résolution de problèmes

Psychoarithmic: Hard Cover (anglais) educo-math la mesure du périmètre etPsychoarithmetic 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