Word problems about the mean

Difficulty Stretch · Set sgr5g0

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1
Over 3 days a shop sold 6, 11, 10 cakes. What was the mean number of cakes a day?
2
Over 3 days a shop sold 49, 23, 12 cakes. What was the mean number of cakes a day?
3
Over 4 days a shop sold 25, 35, 43, 1 cakes. What was the mean number of cakes a day?
4
Over 3 days a shop sold 14, 24, 55 cakes. What was the mean number of cakes a day?
5
Over 5 days a shop sold 45, 9, 50, 35, 1 cakes. What was the mean number of cakes a day?
6
Over 6 days a shop sold 28, 3, 17, 11, 22, 153 cakes. What was the mean number of cakes a day?
7
Over 6 days a shop sold 74, 11, 75, 65, 8, 1 cakes. What was the mean number of cakes a day?
8
Over 5 days a shop sold 9, 36, 8, 6, 56 cakes. What was the mean number of cakes a day?
9
Over 5 days a shop sold 98, 67, 68, 4, 13 cakes. What was the mean number of cakes a day?
10
Over 4 days a shop sold 19, 28, 11, 38 cakes. What was the mean number of cakes a day?
11
Over 4 days a shop sold 7, 2, 8, 3 cakes. What was the mean number of cakes a day?
12
Over 3 days a shop sold 21, 14, 112 cakes. What was the mean number of cakes a day?
13
Over 5 days a shop sold 50, 33, 5, 45, 32 cakes. What was the mean number of cakes a day?
14
Over 4 days a shop sold 33, 47, 27, 77 cakes. What was the mean number of cakes a day?
15
Over 4 days a shop sold 8, 13, 36, 31 cakes. What was the mean number of cakes a day?
16
Over 6 days a shop sold 14, 4, 42, 37, 20, 15 cakes. What was the mean number of cakes a day?
17
Over 6 days a shop sold 23, 31, 26, 44, 7, 1 cakes. What was the mean number of cakes a day?
18
Over 4 days a shop sold 5, 12, 19, 36 cakes. What was the mean number of cakes a day?
19
Over 6 days a shop sold 2, 20, 23, 31, 45, 35 cakes. What was the mean number of cakes a day?
20
Over 6 days a shop sold 42, 66, 12, 18, 80, 22 cakes. What was the mean number of cakes a day?

What is in this set

The numbers in this set run from 1 to 181.
A careful solution takes 3 written steps on average.
The mistake this set invites most often, in 100% of the problems: that is the total over all the days; the mean shares that total between the days.
Answers are a whole number.

Drawing 240 problems from this page produced 240 different ones, 100% — so a sheet of 20 is a new sheet almost every time.

The same skill, harder or easier

We would put this in front of a grade 6 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.