A pie chart shows things as proportions. The size of each sector of the circle tells you how big the proportion is and can be written as a percentage, a fraction or in degrees.
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Each shaded part of the circle is a sector. There are 360° in a circle and so each sector has an angle which is a fraction or percentage of 360.
The pie chart represents modes of transport taken to school by 20 students. How many students walk?
The angle at the centre of the walking sector is . Work out this as a fraction of .
is of
Work out a quarter of the total number of students:
of is
Five students walk to school.
| 1. | Work out the proportion for each category. |
| 2. | Draw each category with the correct proportion. |
| 3. | Label each sector with the correct category. |
1. Work out the proportion for each category. 2. Draw each category with the correct proportion. 3. Label each sector with the correct category.
A pie chart shows things as proportions. The size of each sector of the circle tells you how big the proportion is and can be written as a percentage, a fraction or in deg
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