Multiply by 4 with bar models
Using bar models to illustrate multiplying by 4.
Multiply by 4 with bar models
Using bar models to illustrate multiplying by 4.
![Preview of 'Multiply by 4 with bar models'](https://content.urbrainy.com/7279/977362511/thumbnail_xlarge/multiply-by-4-with-bar-models-112208421.png)
Using bar models to illustrate multiplying by 4.
Using bar models to illustrate multiplying by 4.