Grade 5 Math — Averages
Find the average of a small set of numbers by sharing the total out equally.
Name: ________________________
1.Three parcels weigh 2 lb, 5 lb and 8 lb. What is their average mass, in pounds? Give just the number.
2.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 goes up
- c) It becomes 12
- d) It stays the same
3.Match each pair of numbers to its average.
- 2, 4
- 4, 6
- 6, 10
- 10, 14
- 14, 20
- 12
- 3
- 8
- 17
- 5
4.Which of these sets of numbers has an average of 5?
- a) 2, 4, 6
- b) 1, 5, 9
- c) 3, 5, 8
- d) 4, 6, 8
5.Work out each average, then sort it by size.
Groups: Average is less than 10 · Average is 10 or more
- 1, 2, 3
- 14, 16, 18
- 5, 6, 7
- 2, 4, 6
- 8, 10, 12
- 9, 11, 13
6.Three children have 5, 8 and 11 stickers. They share them all out equally. How many does each child end up with?
7.Two numbers have an average of 9. One of them is 6. What is the other?
8.A player scores 20, 30 and 40 points in three games. What is the average score?
Answer key — Grade 5 Math — Averages
- 1. 5
- 2. b) It goes up
- 3. 2, 4 → 3; 4, 6 → 5; 6, 10 → 8; 10, 14 → 12; 14, 20 → 17
- 4. b) 1, 5, 9
- 5. 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
- 6. 8
- 7. 12
- 8. 30