Using an abacus (4)
Colour the abacus to show the numbers.
4 pages
Using an abacus (4)
Colour the abacus to show the numbers.
![Preview of 'Using an abacus (4)'](https://content.urbrainy.com/776/477726817/thumbnail_xlarge/7048_1.png)
Colour the abacus to show the numbers.
Colour the abacus to show the numbers.