Multiply by 3 with bar models
Using bar models to illustrate multiplying by 3.
Multiply by 3 with bar models
Using bar models to illustrate multiplying by 3.
![Preview of 'Multiply by 3 with bar models'](https://content.urbrainy.com/6040/866704163/thumbnail_xlarge/multiply-by-3-with-bar-models-1411576650.png)
Using bar models to illustrate multiplying by 3.
Using bar models to illustrate multiplying by 3.