Lesson T3.2.1

T3.2.1 Expressing one quantity as a fraction of another Quiz: KS3 Maths, Unit 3

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson T3.2.1, Expressing one quantity as a fraction of another: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 3: Ratio, proportion and rates of change, written with Revision Ninja.

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The 20 questions

  1. What fraction of 60 is 15? Give your answer in its simplest form.

    • 1/4
    • 3/4
    • 1/15
    • 1/5

  2. What fraction of 20 is 12? Give your answer in its simplest form.

    • 5/12
    • 3/5
    • 2/3
    • 3/8

  3. What fraction of £40 is £8?

    • 1/5
    • 4/5
    • 1/8
    • 1/4

  4. What fraction of 2 hours is 45 minutes?

    • 3/8
    • 3/4
    • 2/3
    • 45/2

  5. What is 3 kg as a fraction of 750 g?

    • 1/4
    • 2.25
    • 3/4
    • 4

  6. What is 9 as a fraction of 6?

    • 2/3
    • 1/3
    • 3/2
    • 3/4

  7. What fraction of a 2-litre bottle is 500 ml?

    • 1/4
    • 1/5
    • 1/2
    • 1/3

  8. What fraction is 5 out of 8?

    • 5/13
    • 8/5
    • 5/8
    • 3/8

  9. A class has 14 girls and 16 boys. What fraction of the class are girls? Give the answer in its simplest form.

    • 7/15
    • 7/8
    • 7/16
    • 14/16

  10. What fraction of one week is 2 days?

    • 1/3
    • 2/9
    • 2/5
    • 2/7

  11. Which fraction is equal to 40 out of 100?

    • 2/5
    • 3/5
    • 1/4
    • 4/5

  12. A bag has 5 red, 7 blue and 8 green sweets. What fraction are blue?

    • 7/20
    • 7/5
    • 7/12
    • 1/3

  13. What fraction of 2 hours is 1.5 hours?

    • 2/3
    • 3/4
    • 3/2
    • 1/3

  14. What is 18 out of 24 in its simplest form?

    • 2/3
    • 3/5
    • 3/4
    • 4/5

  15. Sam saves £36 of his £60 pocket money. What fraction does he save?

    • 2/5
    • 3/5
    • 3/4
    • 5/12

  16. What is 0.6 as a fraction of 2.4? Give the answer in its simplest form.

    • 1/6
    • 4
    • 1/2
    • 1/4

  17. What fraction of 2 m is 150 cm?

    • 3/4
    • 3/2
    • 3/5
    • 1/4

  18. What fraction of £2.80 is 35p?

    • 1/7
    • 1/4
    • 1/8
    • 1/10

  19. A jug holds 1.5 litres. What fraction of a 3-litre jug is this?

    • 2/3
    • 1/3
    • 3/2
    • 1/2

  20. What fraction of 5 hours is 2 hours 30 minutes? Give the answer in its simplest form.

    • 1/5
    • 1/3
    • 1/2
    • 5/2

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