Pictograms & Bar Charts
Maths: Year 3 & 4 National Curriculum, topic 8.1.2
Pictograms and Bar Charts
You need to be able to find sums or differences between data in pictograms and bar charts.
Sam's pictogram
- Sam makes a pictogram of his data.
- He uses a picture of a cup to represent 2 drinks.
- To show Tea, Sam uses 6 pictures.
- To show Coffee, he uses 4 and a half pictures.
Sam's pictogram
Sam's bar chart
- Sam makes a bar chart from his data on teachers’ drinks.
- He can see that tea is the most popular drink as it has the tallest bar.
- Sam’s scale goes up in 2s.
- He wants to know how many more people want squash than hot chocolate.
Answer
- The difference in height of the bars is 1 ½.
- The scale goes up in 2s.
- That means 3 more people want squash than hot chocolate.
Test yourself on Pictograms & Bar Charts
How many more teachers prefer coffee than water?
How many more teachers prefer coffee than squash?
Which drink is the least favourite of teachers?
How many teachers were surveyed to make this pictogram?
How many teachers prefer either tea or water?