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The abacus: an ancient tool still useful today
the child no longer needs to memorize arithmetic answers
It has been used in China since the 2nd century BC and was introduced to Europe in the 17th century
They don’t need to memorize solutions or problem-solving steps because these are always consistent
Une fois que l’enfant sait comment résoudre un problème
Boulier chinois en bois - 15 rangées - noir Boulier-chinois The abacus: an ancient toolFeatures 42. 6 x 17. 1 x 3 cm Made from solid wood Black painted finish with satin varnish This Chinese abacus features a finely crafted solid wood construction highlighted by a smooth black satin finish. It is very pleasant to use and also serves as an attractive decorative piece. How Does a Chinese Abacus Work? The Chinese abacus is an excellent tool to improve math skills. It helps practice basic operations, fraction decomposition, and mental
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