| A | B |
|---|
| cross products | The products of the terms on the diagonals when two ratios are compared. |
| equivalent ratios | Ratios that have the same value (their cross products are equal) |
| percent | A ratio that compares a number to 100. |
| proportion | An equation that shows that two ratios are equivalent. |
| rate | A ratio of two measurements having different units. |
| ratio | A comparison of two numbers by division. |
| scale | The ratio that compares the measurements on the drawing or model to the measurements of the real object. |
| scale drawing | A drawing that is similar but either larger or smaller than the actual object. |
| scale model | A model used to represent something that is too large or too small for an actual-size model. |
| unit rate | A rate that has a denominator of 1. |
