Word problems about the mean

Difficulty Standard · Set e9qqg2

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
Over 4 days a shop sold 10, 4, 5, 1 cakes. What was the mean number of cakes a day?
2
Over 4 days a shop sold 12, 6, 5, 5 cakes. What was the mean number of cakes a day?
3
Over 6 days a shop sold 12, 23, 26, 15, 1, 1 cakes. What was the mean number of cakes a day?
4
Over 3 days a shop sold 20, 16, 9 cakes. What was the mean number of cakes a day?
5
Over 5 days a shop sold 24, 9, 22, 9, 1 cakes. What was the mean number of cakes a day?
6
Over 6 days a shop sold 7, 5, 4, 2, 2, 10 cakes. What was the mean number of cakes a day?
7
Over 6 days a shop sold 17, 22, 6, 26, 6, 13 cakes. What was the mean number of cakes a day?
8
Over 5 days a shop sold 5, 26, 6, 3, 25 cakes. What was the mean number of cakes a day?
9
Over 6 days a shop sold 12, 3, 15, 23, 7, 12 cakes. What was the mean number of cakes a day?
10
Over 4 days a shop sold 17, 23, 7, 1 cakes. What was the mean number of cakes a day?
11
Over 5 days a shop sold 7, 7, 9, 6, 6 cakes. What was the mean number of cakes a day?
12
Over 6 days a shop sold 22, 10, 22, 15, 2, 1 cakes. What was the mean number of cakes a day?
13
Over 4 days a shop sold 2, 11, 14, 17 cakes. What was the mean number of cakes a day?
14
Over 4 days a shop sold 12, 4, 16, 4 cakes. What was the mean number of cakes a day?
15
Over 5 days a shop sold 12, 11, 17, 4, 1 cakes. What was the mean number of cakes a day?
16
Over 4 days a shop sold 17, 7, 24, 4 cakes. What was the mean number of cakes a day?
17
Over 6 days a shop sold 15, 19, 16, 12, 3, 1 cakes. What was the mean number of cakes a day?
18
Over 6 days a shop sold 14, 9, 8, 8, 2, 1 cakes. What was the mean number of cakes a day?
19
Over 4 days a shop sold 28, 1, 2, 25 cakes. What was the mean number of cakes a day?
20
Over 3 days a shop sold 15, 15, 15 cakes. What was the mean number of cakes a day?

What is in this set

The numbers in this set run from 1 to 43.
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 239 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.