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# Year 8 Ratio and Rat

TermDefinition
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