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Finding percentages of quantities: multiples of 10

If you need to find 30%, 40%, 60%, 70%, 80% or 90% of a quantity, just find 10% of the quantity and then multiply it by 3, 4, 6, 7, 8 or 9. Use this method to work out these sums.

Keystage: KS2, Year 6

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Tutorials are available to TheSchoolRun subscribers only but you can try for free: Learning the 4 times table, Long multiplication and Finding multiples

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Finding percentages of quantities: multiples of 10

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