| A | B |
| ratio | a comparison of two quantities by divison |
| rate | a ratio that compares two different quantities measured in different units |
| unit rate | a rate whose denominator is 1 |
| slope | measure of a line's steepness |
| equivalent ratios | ratios that name the same comparison |
| proportion | an equation stating that 2 ratios are equivalent |
| cross product | the product of the numerator in one ratio and the denominator in the other |
| customary measurement | inch, foot, mile, ounce, etc |