Learn position values, addition and subtraction and visualize (large) numbers.
Apply the "borrow" principle to the next column. Unused beads disappear behind the wooden partition.
This abacus represents units, tens and hundreds. It contains 3 x 20 beads in 6 colors, grouped by tens.
Contents:
- Wooden abacus with partition (18 x 10 x 6 cm)
- 60 flat plastic beads in 6 colors (1.5 cm Ø)
