Education material for teaching arithmetic, particularly the...

G - Physics – 09 – B

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G09B 23/02 (2006.01) G09B 19/02 (2006.01)

Patent

CA 2351493

L'invention concerne un matériel éducatif d'enseignement du calcul. L'invention utilise pour la représentation des nombres simples des supports sur lesquels sont formés en juxtaposition des points unitaires, sous la forme de grilles transparentes comportant côte à côte des cases rectangulaires quadrillées de dix carreaux juxtaposés, sur deux lignes superposées, les carreaux ayant des dimensions identiques, dans lesquelles cases des grilles sont marqués successivement par exemple de 0 à 10 points, chaque point ne couvrant qu'une partie limitée du carreau. L'invention s'applique notamment à l'enseignement du concept des nombres simples et des opérations élémentaires d'addition et de soustraction.

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