Ratio and Proportion
Comparing by division · Matching units · Extremes and Means
Writing a ratio by dividing two quantities
Matching the units before taking a ratio
Finding an unknown quantity from a ratio
Sharing an amount in a given ratio
Recognising a proportion and its Extremes and Means
A comparison of two quantities of the same unit, made by dividing
The ratio of a to b is a:b or \( \frac{a}{b} \)
a:b is read as a is to b
A ratio has no unit of its own
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