Grade 3 · Math · Unit 8 of 15
Data, Mean & Mode
Read graphs and find the mean
What your child practises
Reading pictographs and bar graphs with different scales, reading two-way tables, and finding the mean (equal share) and the mode (most common) of a set of numbers.
Ontario Curriculum expectation: D1.1–D1.5 · sorting data, graphs with different scales, and finding the mean and mode
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
What is the mean of these numbers?
11, 5, 14
- 10
- 14
- 13
Show answer
10
Hint: Add the numbers, then share the total equally. Divide by how many numbers there are.
Question 2
What is the mode of these numbers?
7, 6, 6, 6, 11, 4
- 11
- 6
- 4
Show answer
6
Hint: The mode is the number that shows up most often.
Question 3
What is the mean of these numbers?
9, 3, 2, 14
- 9
- 7
- 11
Show answer
7
Hint: Add the numbers, then share the total equally. Divide by how many numbers there are.
Question 4
Each picture stands for 5 children. How many chose Swimming?
Favourite sport
Soccer🙂🙂Hockey🙂🙂🙂Swimming🙂Basketball🙂🙂🙂🙂🙂Each picture = 5
- 4
- 6
- 5
Show answer
5
Hint: Count the pictures, then count by 5s.
Question 5
Which one tells you the amount each person would get if everything were shared equally?
- the mode
- the mean
- the biggest number
Show answer
the mean
Hint: The mean is the equal-share amount.
Question 6
How many more children chose Hockey than Basketball?
Favourite sport - 6
- 4
- 2
Show answer
2
Hint: Read both bars, then subtract.