bar model 1: overview for Par-Part-Whole and Comparison Bar Models

Ratios: Part to Part vs Part to Whole

6. Compare the size of parts when the whole is defined using familiar contexts

8. Consider part whole relationships within the context of quantity models

The Percent PROPORTION (is the part, of the whole) Video

Part-Whole Models For Division

Using a Part-Whole Model to Represent Equal Groups

Using a Part-Whole Model for Addition and Subtraction Word Problems