Study tool
Free Interactive Abacus Practice
Get an addition problem, set each rod to make the answer, then check your result. The five rods represent ones through ten-thousands.
Runs in your browser. No upload.
Build the sum on the abacus using five place-value rods. Answers are checked in your browser.
Get an addition problem to begin.
About this tool
Free Interactive Abacus Practice made simple.
This is a simple place-value abacus practice tool, not a full soroban course. It uses five decimal rods and does not teach every traditional bead technique.
Common questions
About Free Interactive Abacus Practice.
How do I use Abacus practice?
Get an addition problem, set each rod to make the answer, then check your result. The five rods represent ones through ten-thousands.
Is my data uploaded to a server?
No. This tool runs locally in your browser. Your input is not uploaded.