Hit the number.Then hit submit.
Tap or drag the blue beads. Push a group to the right to count it.
Each row has 10 beads. They keep the same order, just like beads threaded onto a real rod. There is no middle barrier.
Start with the beads on the left. Tap the 4th bead from the right: that bead and its three neighbours slide right together. The other six stay put.
Tap a bead on the right to push it and the counted beads to its left back again. Or drag: a bead pushes its neighbours only when it touches them. Release to settle the beads at the ends.
The number on the left is what each bead on that row is worth. Four beads on row 7 make 28. Only beads moved to the right contribute to your total.
Keyboard: Tab to a row, then ← / → to remove or add a bead. Home clears a row; End fills it. ↑ / ↓ change rows.
The row values 1–12 are this game's rule, not a traditional place-value abacus. Every bead is blue in this version, and each bead on a row is worth that row’s number.
Get it right and the next target starts automatically. A green tick stays on screen for a second. Every correct answer adds a win.
For a GREAT WORK! bonus, use the fewest beads possible. When there is a tie, use fewer rows. For example, six beads on row 11 make 66: six beads, just one row. Other correct answers still count!