Eight-year-old girls are counting out the thousand-bead chain. One of them in turn takes a step from one hundred mark to the next: "A hundred is always than lenght", Berlin-Tegel, 1949 - T. Müller, R. Schneider, Lehrmaterialien 1913-1935. Möbel und Architektur. Teaching Materials 1913-1935. Furniture and Architecture, München, Prestel Verlag, 2002, p.110.

Categoria: Scuole Montessori