Boulier en bois avec béquille Boulier-japonais Peinture et vernis non-toxiques

Peinture et vernis non-toxiques

numerous studies have shown that students aged 9 and under often struggle to visualize abstract ideas like those found in math

numerous rigorous studies have shown that children under 9 often struggle to visualize conceptual elements like those in math

The abacus was already known in China 2

Du CP jusqu'à la terminale le boulier prépose un avantage flagrant pour l'étudiant qui l'utilise

Boulier en bois avec béquille Boulier-japonais Peinture et vernis non-toxiquesFeatures Size 30. 7 x 21. 6 x 1. 9 cm Solid wood construction Hand painted with non toxic paint Standing 30 cm tall, this abacus is perfect for both fun and educational use at home or in the classroom.