Categories | BrainyBeads

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Meet the sorobanThe parts of the soroban and what they are called.

Bead valuesA heavenly bead is worth 5, an earthly bead is worth 1.

Bars and place valuesMarbles, glasses, pans and pots: what each bar is worth.

The unit dotThe dot on the beam marks the Ones bar.

How you'll be checkedThe two rules for plotting a number.

Warm-upPractise plotting with every rule. Nothing is recorded.

Use the right fingerThumb, index finger or a pinch: which finger moves which beads.

PlottingPlot numbers on the soroban. No sign-in needed.