Starter quiz
- Izzy has three boxes. Each box contains 37 items. Altogether Izzy has ______ items.
- '111' ✓
- A multipack of crisps contains 14 packets. Jacob needs a total of 56 packets of crisps for the year 7 disco. Jacob should buy ______ multipacks.
- '4' ✓
- Which of these tally marks shows a frequency of 7?
The missing number on this scale is ______.- '17' ✓
Two numbers are missing on this scale. What is the scale increasing by?- '4' ✓
- The ______ is the number of times an event occurs; or the number of individuals (people, animals etc.) with some specific property.
- 'frequency' ✓
Exit quiz
- The key elements of a pictogram are:
- icons sized according to value
- icons evenly spaced ✓
- key with a well chosen value ✓
- simple representative icon ✓
- commas between icons
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- The key elements of a bar chart are:
- labelled axes ✓
- no gaps between bars
- scale increasing equally ✓
- uneven bar widths
- colour
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Each icon is worth 20 tonnes of recycling. The pictogram shows that ______ tonnes of plastic were recycled.- '30' ✓
A vet records the number of each type of pet that they saw in one week in their surgery. The bar chart shows their results. The bar chart represents ______ pets in total.- '71' ✓
The pictogram shows the number of apples picked in an orchard over a three week period. Which of the following statements are correct?- The most apples were picked in week 1. ✓
- More than half of the apples picked over the 3 weeks were picked in week 1.
- A total of 14 apples were picked in the three week period.
- 10 more apples were picked in week 2 than week 3.
- 20 more apples were picked in week 1 than in week 3. ✓
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Which of the following statements are correct about the data represented on this bar chart?- Box B had the least number of items.
- Box D had half as many items as box B.
- Box A had 3 more items than box B. ✓
- There were 181 items across the four boxes. ✓
- Box C has twice as many items as box A.
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Certain data is suitable for a pictogram or bar chart.
- The shape of the graph can be estimated from the data.
- For larger data sets, technology can make constructing graphs quicker.
Common misconception
Pupils may miss the key in a pictogram, or the axes labels on a bar chart.
Pupils could be provided with a success criteria list, which they get in a habit of checking after constructing pictograms and bar charts.
Keywords
Bar chart - A bar chart (bar graph) is a graph consisting of bars visually representing the frequency of objects or groups.
Pictogram - A pictogram (pictograph) is a graph consisting of pictures to visually represent the frequency of objects or groups.
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