Find Percentage Unitary

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A percentage is ‘parts per hundred’ and is written with a % sign which is called ‘percent’.

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Finding a percentage

  • When finding a percentage it often helps to first find 10% and/or 1% - this is called the unitary method.
  • We can then use jotting to help make up the percentage we are looking for.
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Find 10%

  • To find 10% of a quantity we divide by 10.
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Find 70%

  • To find 70% we must then multiply by 7.
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Find 1%

  • To find 1% of a quantity we divide by 100.
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Find 4%

  • To find 4% we must then multiply by 4.

Jump to other topics


1.1Place Value

1.2Factors & Multiples


1.4Fractions, Decimals & Percentages

1.5Growth & Decay

1.6Measurements & Units



3Ratio, Proportion & Rates of Change

4Geometry & Measures



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