MathIQO worksheet
Calculate the mean of a data set · Grade 5 · D1.5
Name: ______________________
Date: ______________________
- 1
Find the mean (average) of: 10, 11, 12
Warm-upAnswer:
- 2
Find the mean (average) of: 12, 10, 8
Warm-upAnswer:
- 3
Find the mean (average) of: 9, 9, 12
Warm-upAnswer:
- 4
Find the mean (average) of: 7, 9, 10, 10
On levelAnswer:
- 5
Find the mean (average) of: 15, 14, 8, 15
On levelAnswer:
- 6
Find the mean (average) of: 6, 9, 7, 10
On levelAnswer:
- 7
Find the mean (average) of: 9, 11, 3, 13, 17
ChallengeAnswer:
- 8
Find the mean (average) of: 10, 3, 15, 7, 19
ChallengeAnswer:
- 9
Find the mean (average) of: 18, 20, 12, 12, 5
ChallengeAnswer:
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Worksheet code: eyJzIjoiZGF0YS1tZWFuLWF2ZXJhZ2UiLCJkIjpbMTUwODk4Nzg4MywxNzQ1NjQ1NjYxLDI3NzE1NTM5NCw2NjE5NzQ0NjMsMzkxNDc4MzM3LDU4NjMyMzc0OSw3NTQxMDM4NTgsMTE4ODc2OTQyNSw1MzQxMzA0MTFdLCJ2IjoxfQ.c63f1ae38b0c
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Answer key · Calculate the mean of a data set
- 1.11 — Add them to get 33, then divide by 3: 33 ÷ 3 = 11.
- 2.10 — Add them to get 30, then divide by 3: 30 ÷ 3 = 10.
- 3.10 — Add them to get 30, then divide by 3: 30 ÷ 3 = 10.
- 4.9 — Add them to get 36, then divide by 4: 36 ÷ 4 = 9.
- 5.13 — Add them to get 52, then divide by 4: 52 ÷ 4 = 13.
- 6.8 — Add them to get 32, then divide by 4: 32 ÷ 4 = 8.
- 7.10.6 — Add them to get 53, then divide by 5: 53 ÷ 5 = 10.6.
- 8.10.8 — Add them to get 54, then divide by 5: 54 ÷ 5 = 10.8.
- 9.13.4 — Add them to get 67, then divide by 5: 67 ÷ 5 = 13.4.