Module 3 · Lesson 4 of 7
Line graphs and bar charts
A clear method for line graphs and bar charts: find the story, group the data and pick the right figures, with two full model answers and timed practice.
In this lesson
- Decide in seconds whether a chart shows change over time or a comparison, and plan for that
- Use a five-step method to find, group and report the key features of a line graph
- Group the bars of a bar chart by pattern, so that your sentences compare instead of list
- Choose the figures worth quoting and report them with the right subject, unit and multiple
- Write a complete line graph answer in 20 minutes
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Inside this lesson
- First, ask one question: is there a time line?
- Line graphs: a five-step method
- Worked example 1: library loans, step by step
- Reporting what lines do
- Bar charts: first work out what the bars stand for
- Worked example 2: six departments, one year, no time line
- Before you write: the paragraph map
- Choosing key features: test your judgement
- Seven mistakes to avoid with line graphs and bar charts
- Your turn: a full line graph answer
- Check your understanding