Year 6 - Maths
Use understanding of angles, fractions and percentages to interpret pie charts
Statistics
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will interpret and construct pie charts and line graphs. They will read scales linked to fractions angles percentages and understanding proportional relationships.
Lesson Summary
You will learn to use angles, fractions and percentages to interpret pie charts.
Key Notes
- A pie chart is a way of presenting data representing parts of a whole.
- Pie charts can be interpreted using knowledge of angles.
- Pie charts can be interpreted using knowledge of fractions and percentages.
Vocabulary To Learn
- Pie chart: A pie chart is a circular graph where sectors represent different groups in proportion to each other.
- Sector: A sector is a part, or 'pie-slice' part, of a pie chart.
Common Mistakes To Avoid
- Pupils may make mistakes converting an angle of a sector into a percentage.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
A pie chart is a way of presenting data representing parts of a whole. Pie charts can be interpreted using knowledge of angles.
2. Use this key word in a maths sentence and explain it clearly. 'Pie chart'
A pie chart is a circular graph where sectors represent different groups in proportion to each other. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils may make mistakes converting an angle of a sector into a percentage. Correction: Choose to work with angles that can easily be converted into percentages (e.g. 72° is equal to 20% of the whole chart). You could have these readily available in the classroom as part of a display to refer to throughout the lesson.
More Lessons In This Unit
- Construct line graphs representing two variables in familiar contexts Study Guide
- Interpret line graphs representing two variables in familiar contexts Study Guide
- Interpret the scales used in graphs, including pie charts, to solve problems Study Guide
- Use understanding of angles, fractions and percentages to construct pie charts Study Guide
Browse all guides in the Year 6 Maths guide library.