For the 11+ and Independent School Entrance Exams, pupils need to be able to do the following percentage calculations:
- Percentages to fractions
- Percentages to decimals
- Percentage of an amount
- Increase/decrease an amount by a certain percentage
- write one number as a percentage of another number
- simple reverse percentages
This video shows you how to find a percentage of an amount.
We first work out 10% of the amount – divide by 10
To find 5% : divide the 10% by 2
To find 2 1/2 percent : divide 5% by 2
To find 1% – divide the amount by 100.
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