A pie chart is a circular chart that shows how a whole is divided into parts. Each slice represents a category. The size of the slice shows the proportion that category contributes.
✅ Key Characteristics of Pie Charts:
- The total of all slices is 100%.
- Each slice shows one category only.
- Bigger slice = bigger proportion.
💡 Why Use Pie Charts?
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Show how something is divided
e.g. How a student’s time is spent in a day: sleeping, school, sports -
Compare different parts of a whole
e.g. Favourite school subjects: Maths, Science, English, Art -
Spot the biggest or smallest category fast
e.g. Which pet is most popular in a class: dogs, cats, birds, fish