Interactive Virtual Abacus
A full soroban in your browser. Click a bead to move it to or from the beam. Blue beads are counting. The dotted rods mark the ones, thousands and millions.
The abacus shows
0
Display
How to read it
Each rod is one digit. The bead above the beam is worth 5, and each bead below is worth 1. Only beads touching the beam count.
Practise setting numbers
Press Random challenge and show the number using the beads. Turn off the digits for an extra test.
New to the abacus?
Start with Lesson 1 to learn the parts of the soroban and how to show 0–9.