This deep dive covers Creating Pie Charts within Pie Charts for GCSE Mathematics. Revise Pie Charts in Statistics for GCSE Mathematics with 14 exam-style questions and 20 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 3 of 7 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 7
Practice
14 questions
Recall
20 flashcards
Creating Pie Charts
Step-by-Step Method
Example: Favorite subjects survey of 120 students
| Subject | Frequency | Calculation | Angle |
|---|---|---|---|
| Maths | 30 | (30 ÷ 120) × 360° | 90° |
| English | 24 | (24 ÷ 120) × 360° | 72° |
| Science | 36 | (36 ÷ 120) × 360° | 108° |
| History | 18 | (18 ÷ 120) × 360° | 54° |
| Other | 12 | (12 ÷ 120) × 360° | 36° |
| Total | 120 | Check: | 360° ✓ |
Drawing the Pie Chart
- Draw a circle using a compass
- Mark the center and draw a radius to the top (12 o'clock)
- Use a protractor to measure each angle from the previous line
- Draw each sector in order (largest first helps)
- Label clearly with category names and values