Addition from 0 to 5 ducks
The first stages of addition, with ducks to help with the adding up.
4 pages
Addition from 0 to 5 ducks
The first stages of addition, with ducks to help with the adding up.
![Preview of 'Addition from 0 to 5 ducks'](https://content.urbrainy.com/206/427217922/thumbnail_xlarge/6309_1.png)