1. What angle is each sector in your pie chart? What is the ratio of red to blue? How many people were asked in this survey? How did you show that information on your pie chart?

2. What is the angle of the blue sector in your pie chart? What is the ratio of blue to red?

3. What is the ratio of red to blue to yellow? What is the angle of the blue sector in your pie chart? What fraction of your pie chart is yellow?

4. What angle is your yellow sector? What angle is your red sector?

5. The charts show that: A there are more people under 15 in Ireland than in Greece; B there are fewer people under 15 in Greece than in Ireland; Cthere is a higher proportion of people under 15 in Ireland than in Greece.

6. AB

7. Which pie chart is for primary school pupils and which is for secondary school pupils? Percentage of pupils who own a mobile phone