| A | B |
| Ratio | comparison of two numbers |
| Rate | ratio that compares two numbers measured in diffrerent units |
| Unit rate | rate for one unit of a given quanity |
| Unit price | price per unit of an item |
| Proportion | equation that states that two ratios are equal |
| Proportional Relationship | when proportions can be written from the data |
| Scale drawing | an enlarged or reduced drawing of a picture |
| Scale Factor | The relationship between corresponding sides on two similar figures |