| A | B |
| unit rate | the price for one unit measure |
| unit rate | Gasoline costs $2.39 per gallon |
| rate | a ratio in which two quantities with different units of measure are compared |
| rate | 35 miles per hour compares distance with time |
| scale | the ratio of the size of a figure on a drawing to the actual size of the figure |
| scale | 1 inches = 100 miles on a map |
| ratio | a comparison of two quantities |
| ratio | 8 to 11 |
| proportion | a mathematical sentence stating that two ratios are equal |
| proportion | 2 is to 6 as 6 is to 18 |