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Highly ergonomic
the abacus helps reinforce memory by allowing students to see concretely how they arrived at an answer
Children who use the abacus during their education consistently achieve significantly higher IQ test scores than their peers
Children who use the abacus during their education typically score higher on IQ tests
Crafted from high-quality wood
Boulier chinois - 13 rangées - billes marron Montessori Highly ergonomicFeatures 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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