Representing Data: Bar Charts, Pie Charts, and Histograms
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Students will be able to construct and interpret bar charts, pie charts, and histograms for both discrete and continuous data presented in frequency tables and grouped frequency tables.
Lesson Overview
Students progress from reading simple bar charts through constructing pie charts and histograms for grouped continuous data, developing fluency in choosing and interpreting appropriate representations for discrete and continuous data.
Materials
- Whiteboard and dry-erase markers
- Pencil and paper
- Basic calculator or phone calculator
- Ruler (one per student)
Scaffolded Task Progression
| Colour | Frequency |
|---|---|
| Red | 6 |
| Blue | 8 |
| Green | 3 |
| Yellow | 3 |
Is this data discrete or continuous? Write one sentence to explain your answer.
[ Interactive graph / diagram, available in the full lesson ]
On your whiteboard, draw a fully labelled bar chart for this data. Include: a title, labelled axes, and an even scale on the frequency axis.
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