Pie chart angle
- Find the fraction of the total.
- Multiply by 360°.
- Label the sector.
Answer: 50% is 180°
📊 Statistics
Pie charts
Learn pie charts with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Pie charts is part of statistics and appears often in KS3–GCSE maths.
- A full pie chart is 360°.
- Use the worked model, help guide, interactive question and flashcards to practise pie charts until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Pie charts learning map
Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.
3. Help guide
How to tackle Pie charts
- Learn the rule: A full pie chart is 360°.
- Worked model: Find the fraction of the total. Multiply by 360°. Label the sector.
- Try the interactive question without looking at the answer first.
- Use the flashcards to test the rule, the method and a common check.
4. Worked examples
Step-by-step working
5. Interactive questions
Try it yourself
In a pie chart, 25% of a group is represented by what angle?
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Pie charts
BackA full pie chart is 360°.
FrontExample answer: In a pie chart, 25% of a group is represented by what angle?
Back0.25 × 360° = 90°.
FrontCommon check for Pie charts
BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.