← Back to the activity

Year 6 Maths — Ratio and proportion

Write and simplify ratios, and use them to share amounts and scale recipes.

Name: ________________________

  1. 1.The ratio of boys to girls in a class is 5:4. There are 20 boys. How many girls are there?

  2. 2.These ratios are all written as first:second. Put them in order, smallest first.

    • 1:4
    • 5:4
    • 1:2
    • 3:4
    • 2:3

  3. 3.Simplify the ratio 10:15. Write it like 4:5.

  4. 4.Share 40 sweets between two children in the ratio 3:5. How many does the first child get?

  5. 5.If 3 pens cost $45, what do 7 pens cost? Give just the number.

  6. 6.Share 40 sweets between two children in the ratio 3:5. How many does the second child get?

  7. 7.Are 2:3 and 8:12 in proportion?

    • a) Yes
    • b) There is not enough information
    • c) No
    • d) Only if you swap them round

  8. 8.A recipe uses 2 cups of rice to 5 cups of water. How many cups of water are needed for 6 cups of rice?

Answer key — Year 6 Maths — Ratio and proportion

  1. 1. 16
  2. 2. 1. 1:4 2. 1:2 3. 2:3 4. 3:4 5. 5:4
  3. 3. 2:3
  4. 4. 15
  5. 5. 105
  6. 6. 25
  7. 7. a) Yes
  8. 8. 15