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the abacus helps reinforce memory by allowing students to see concretely how they arrived at an answer
Highly ergonomic
It is indeed an astonishingly simple calculating tool
which can be subtle and unnoticed
Mathematics is an abstract subject
Boulier chinois - 13 rangées - billes marron Montessori the abacus helps reinforce memoryFeatures Size: 22 x 7. 2 x 1. 5 cm High quality ABS plastic injection construction. 13 rows of beads Types of the Chinese Abacus The Chinese abacus is an ancient tool that remains an excellent educational resource today to help children better grasp math concepts. Addition and subtraction operations are performed very intuitively. The abacus was already known in China 2,000 years ago, where it is called the suanpan. The beads on the abacus were
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