17-Column Soroban Abacus

Make arithmetic a hands-on activity with a 17-column soroban abacus that represents numbers through movable beads.

✅ Follow calculations through visible positions - Moving the beads gives counting and arithmetic a physical representation.

✅ Practise without a powered calculator - The manual tool can be used without batteries or an electronic display.

Work through the number one movement at a time

Begin with the bead values and work through a simple calculation slowly, explaining each movement as you go. The visible positions give a learner and teacher the same reference when discussing a step.

As practice develops, use the abacus for repeated exercises and compare the final bead arrangement with the intended answer. Its seventeen columns provide the working layout, while the slim body can be kept beside a notebook between sessions.

Technical details

• ABS construction
• Seventeen columns
• Five beads per column
• Dimensions: 26.3 x 6 x 1.5 cm
• Package: one abacus

Bring movable numbers to your next practice session.