Year 4 Maths — Reading bar charts
Read a bar chart, use its scale to turn a bar height into a number, and compare the bars.
Name: ________________________
1.On a bar chart each square of the scale stands for 2 children. A bar stands for 18 children. How many squares tall is it?
2.A chart shows 22 visitors on Monday, 15 on Tuesday, 30 on Wednesday and 18 on Thursday. Sort each day by whether it had fewer or more than 20 visitors.
Groups: Fewer than 20 · More than 20
- Tuesday
- Monday
- Wednesday
- Thursday
3.On a bar chart one square of the scale stands for 10 people. A bar is four and a half squares tall. How many people does it stand for?
- a) 50
- b) 40
- c) 410
- d) 45
4.A chart shows 22 visitors on Monday, 15 on Tuesday, 30 on Wednesday and 18 on Thursday. Put the days in order, fewest visitors first.
- Wednesday
- Thursday
- Monday
- Tuesday
5.A bar chart shows 9, 14, 6 and 11 visitors across four days. How many visitors were there altogether?
6.Why does a bar chart need a scale up the side?
- a) So that the chart has a title
- b) So that every bar is the same width
- c) So that the bars look neat
- d) So that the height of a bar can be read as a number
7.On a bar chart each square of the scale stands for 5 books. A bar is 7 squares tall. How many books does it stand for?
8.On this chart each square of the scale stands for 4 cars. Match each bar height to the number of cars it shows.
- 2 squares
- 3 squares
- 5 squares
- 7 squares
- 8
- 28
- 12
- 20
Answer key — Year 4 Maths — Reading bar charts
- 1. 9
- 2. Monday → More than 20; Tuesday → Fewer than 20; Wednesday → More than 20; Thursday → Fewer than 20
- 3. d) 45
- 4. 1. Tuesday 2. Thursday 3. Monday 4. Wednesday
- 5. 40
- 6. d) So that the height of a bar can be read as a number
- 7. 35
- 8. 2 squares → 8; 3 squares → 12; 5 squares → 20; 7 squares → 28