Boulier en bois modulaire - 10 rangées Color:Soroban in box we have found that the

we have found that the Japanese abacus

Cadre en noyer

From first grade through high school graduation

Une fois que l'élève a appris le boulier

Students tend to memorize problems rather than apply methods to solve them

Boulier en bois modulaire - 10 rangées Color:Soroban in box we have found that theFeatures Size (assembled upright) 22 cm (height) 22. 5 cm (module length) Made of wood. The classic school abacus is the easiest form for young children to learn to use. This type of abacus offers a simple and tangible introduction to the world of arithmetic. With its high quality wooden construction, it is both durable over time and environmentally friendly. Bright and pleasant colors come from non toxic paint and varnish. A sturdy, rustic design