GCSE · Fractions & decimals

Fractions of amountsExam-style questions

Why "of" means multiply, why the base matters when a problem says "of the remainder", and how to reverse from a fractional part back to the whole.

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16 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAll Level 1 Level 2 Level 3 Level 4 Level 5

1
Work out $\dfrac{1}{4}$ of $32$ .
Level 1 · 1 markTry it
2
Work out $\dfrac{3}{5}$ of $40$ .
Level 1 · 2 marksTry it
3
There are $150$ people at a cinema. $\dfrac{2}{3}$ of them are adults. How many are adults?
Level 1 · 2 marksTry it
4
There are $720$ people at a concert.

$\dfrac{3}{8}$ of the people are children. $40\%$ of the children are girls.

Work out the number of girls at the concert. [3]
Level 2 · 3 marksTry it
5
Work out $\dfrac{3}{5}$ of $45$ kg.
Level 2 · 2 marksTry it

11 more questions on fractions of amounts

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