Boulier chinois - 13 rangées - billes marron Montessori 4 cm – idéal pour

4 cm – idéal pour les calculs précis et détaillés

Highly ergonomic

scientific studies show that students under 9 years old struggle to grasp conceptual elements like mathematics

Mathematics is an abstract subject

Boulier chinois - 13 rangées - billes marron Montessori 4 cm – idéal pourFeatures 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