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Year 5 Maths — Averages

Find the average of a small set of numbers by sharing the total out equally.

Name: ________________________

  1. 1.Three parcels weigh 2 kg, 5 kg and 8 kg. What is their average mass, in kilograms? Give just the number.

  2. 2.Work out each average, then sort it by size.

    Groups: Average is less than 10 · Average is 10 or more

    • 8, 10, 12
    • 2, 4, 6
    • 9, 11, 13
    • 5, 6, 7
    • 14, 16, 18
    • 1, 2, 3

  3. 3.Find the average of 10, 12, 14 and 16.

  4. 4.Work out each average, then put the sets in order, smallest average first.

    • 1, 2, 3
    • 2, 4, 6
    • 5, 6, 7
    • 8, 10, 12

  5. 5.Which of these sets of numbers has an average of 5?

    • a) 4, 6, 8
    • b) 2, 4, 6
    • c) 3, 5, 8
    • d) 1, 5, 9

  6. 6.Five numbers have an average of 6. A sixth number, 12, is added to the set. What happens to the average?

    • a) It goes down
    • b) It becomes 12
    • c) It goes up
    • d) It stays the same

  7. 7.A player scores 20, 30 and 40 points in three games. What is the average score?

  8. 8.Two numbers have an average of 9. One of them is 6. What is the other?

Answer key — Year 5 Maths — Averages

  1. 1. 5
  2. 2. 2, 4, 6 → Average is less than 10; 8, 10, 12 → Average is 10 or more; 1, 2, 3 → Average is less than 10; 9, 11, 13 → Average is 10 or more; 5, 6, 7 → Average is less than 10; 14, 16, 18 → Average is 10 or more
  3. 3. 13
  4. 4. 1. 1, 2, 3 2. 2, 4, 6 3. 5, 6, 7 4. 8, 10, 12
  5. 5. d) 1, 5, 9
  6. 6. c) It goes up
  7. 7. 30
  8. 8. 12