Using Thumb & Index Finger
Learn the correct finger placement on the Soroban abacus
📚 Finger Rules
👆 Thumb
Used to push lower beads UP (earth beads). Value = 1 each.
☝ Index Finger
Used to push upper bead DOWN (heaven bead). Value = 5.
💡
Remember:
Thumb moves lower beads. Index finger moves the upper bead. Never use other fingers on the
Soroban!
✎ Quiz: Which Finger?
Choose the correct finger for each action:
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