← Back to the activity

Class 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. 1.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
    • 28
    • 8
    • 12
    • 20

  2. 2.This chart shows how many books were read on each of four days. Tap the bar for the day with the most.

    Write the number of the part.

    1234

  3. 3.This chart shows how many books were read on each of four days. Tap the bar for the day with the fewest.

    Write the number of the part.

    1234

  4. 4.A bar chart shows 9, 14, 6 and 11 visitors across four days. How many visitors were there altogether?

  5. 5.A bar chart shows 12, 7, 15 and 6 birds in four gardens. How many more birds were in the busiest garden than in the quietest?

  6. 6.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

    • Monday
    • Tuesday
    • Thursday
    • Wednesday

  7. 7.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?

  8. 8.Why does a bar chart need a scale up the side?

    • a) So that every bar is the same width
    • b) So that the height of a bar can be read as a number
    • c) So that the chart has a title
    • d) So that the bars look neat

Answer key — Class 4 Maths — Reading bar charts

  1. 1. 2 squares → 8; 3 squares → 12; 5 squares → 20; 7 squares → 28
  2. 2. 2 — Tuesday
  3. 3. 3 — Wednesday
  4. 4. 40
  5. 5. 9
  6. 6. Monday → More than 20; Tuesday → Fewer than 20; Wednesday → More than 20; Thursday → Fewer than 20
  7. 7. 9
  8. 8. b) So that the height of a bar can be read as a number