Good arithmetic is the foundation of numeracy skills, and learning how to work out percentages is an important foundational skill. Learn these, practice them and always keep to the same methods!
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Percentages are just another form of expressing a fraction. A percent always uses the same denominator (100) and therefore can be used to compare results or observe a trend. Exam grades would be less meaningful if they were given as 12/15 or 17/20.
It’s really important to learn about percentages. Just imagine how many times we encounter them in real life:
- Statistics – 56% of people said that …
- Shopping – 50% off !, discounts, giving a tip
- Finance – Annual Percentage Rate, mortgage, loan and investment rates
- Business, economics and government – tax, employment, inflation
- .. and many more examples
How to work out percentages of whole numbers using fractions
How to work out percentages of whole numbers by using 10%
How to express a fraction as a percentage – exam question
How to work out percentage change exam question
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