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Year 8 Ratio and Rat
| Term | Definition |
|---|---|
| rate | a measurement comparing quantities of different types, expressed using two units |
| ratio | a ratio compares quantities of the same type given in the same units. It is written as a :b, where a and b are numbers.This is read as ‘a to b’. |
| scale | the relationship between a length or distance on a scale drawing, map or plan and actual length or distance on the object it represents |
| speed | a rate that compares distance travelled with time taken |
| unitary method | a method of finding a quantity by finding one part first |
| equivalent ratio | equal ratios and can be found in a similar way to that used for finding equivalent fractions. To find an equivalent ratio, multiply or divide each term by the same number. |
| terms | the numbers in a ratio |
| simplifying a ratio | a ratio is simplified by dividing each term by a common factor until you have an equivalent ratio with the smallest terms possible. |
| colon | the two dots between the terms of a ratio |
Created by:
wdobson
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