Bar modelling: number bonds to 20 (2)
Using bar models to help find pairs of numbers that make 20.
4 pages
Bar modelling: number bonds to 20 (2)
Using bar models to help find pairs of numbers that make 20.
![Preview of 'Bar modelling: number bonds to 20 (2)'](https://content.urbrainy.com/7106/1582822387/thumbnail_xlarge/8342_1.png)