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7 Math Ch. 7
Ratios and Proportions
| Term | Definition |
|---|---|
| base | in a percent proportion, the whole quantity, or the number to which the part is being compared |
| cross product | in a proportion, this is produced by multiplying the numerator of one ratio and the denominator of the other ratio |
| equivalent ratios | two ratios that have the same value |
| part | in a percent proportion, the number that is compared to the whole quantity |
| percent proportion | compares part of a quantity to the whole quantity using a percent |
| proportion | an equation that shows two ratios are equivalent |
| rate | a ratio that compares two quantities with different kinds of units |
| scale | on a map, intervals used representing the ratio of distance on the map to the actual distance |
| scale drawing | a drawing that is similar but either larger or smaller than the actual object |
| scale factor | a scale written as a ratio in simplest form |
| scale model | a model used to represent something that is too large or too small for an actual-sized model |
| unit rate | a rate with a denominator of 1 |
Created by:
Miss Brinkoetter
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