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which can be subtle and unnoticed
scientific studies show that students under 9 years old struggle to grasp conceptual elements like mathematics
Highly ergonomic
Children who use the abacus during their education consistently achieve significantly higher IQ test scores than their peers
Boulier chinois - 13 rangées - billes marron Montessori which can be subtle andFeatures 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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