Free Ratio & Proportion worksheets and activities
Ratios are one way of comparing amounts of things. Ratios can tell us how much bigger, or smaller, one thing is than another. In other words, ratios show how much of one thing we have in relation to another thing.
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Example of ratio
In the example below we are trying to get purple paint by mixing cans of red and blue paint.
|4 parts blue paint|
|3 parts red paint|
|The ratio of blue to red paint is 4:3|
There are three ways that ratios are commonly written:
- in words e.g. 4 to 3
- with a colon (odds notation) e.g. 4:3
- fractional notation e.g. 4/3
Watch the words, numbers, and order in ratios
When writing ratios be careful to write the numbers in the same order as the words (or things) to which they refer.
A ratio of 4:3 is not the same as a ratio of 3:4
Identifying Ratios Worksheets
You will find more ratio and proportion worksheets here.