# Ratio and Proportion: Reading a Pie Chart (2)

In this worksheet, students read information from a pie chart and answer questions on it.

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Interpreting Data

Difficulty level:

### QUESTION 1 of 10

Pie charts are based on fractions of 360°.

The fractions can be worked out from the angles at the centre of the chart.

This pie chart shows the results of a survey on favourite crisp flavours.

The Salt and Vinegar sector shows 36° which is 36/360 of the whole circle (i.e. 1/10)

Now we need a hard fact, such as the actual number who chose Salt and Vinegar or the total number in the survey.

Example 1

If 15 people chose Salt and Vinegar, how many people took part in the survey?

15 people are shown in 1/10 of the circle, so there must be 10 x 15 = 150 people in total.

Example 2

If 40 people took the survey, how many people chose Salt and Vinegar?

We need to work out 1/10 of 40 = 4, so 4 people chose Salt and Vinegar.

This pie chart shows the results of a survey on favourite crisp flavours.

40 people took part in the survey.

How many chose Prawn Cocktail?

This pie chart shows the results of a survey on favourite crisp flavours.

80 people took part in the survey.

How many chose Prawn Cocktail?

This pie chart shows the results of a survey on favourite crisp flavours.

80 people took part in the survey.

How many chose Chicken?

This pie chart shows the results of a survey on favourite crisp flavours.

40 people took part in the survey.

How many chose Chicken?

This pie chart shows the results of a survey on favourite crisp flavours.

40 people took part in the survey.

How many chose Cheese and Onion?

This pie chart shows the results of a survey on favourite crisp flavours.

80 people took part in the survey.

This pie chart shows the results of a survey on favourite crisp flavours.

200 people took part in the survey.

This pie chart shows the results of a survey on favourite crisp flavours.

200 people chose Chicken.

This pie chart shows the results of a survey on favourite crisp flavours.

202 people chose Chicken.

How many chose Prawn Cocktail?

This pie chart shows the results of a survey on favourite crisp flavours.

20 people chose Prawn Cocktail.

How many chose Cheese and Onion?

• Question 1

This pie chart shows the results of a survey on favourite crisp flavours.

40 people took part in the survey.

How many chose Prawn Cocktail?

4
• Question 2

This pie chart shows the results of a survey on favourite crisp flavours.

80 people took part in the survey.

How many chose Prawn Cocktail?

8
• Question 3

This pie chart shows the results of a survey on favourite crisp flavours.

80 people took part in the survey.

How many chose Chicken?

16
• Question 4

This pie chart shows the results of a survey on favourite crisp flavours.

40 people took part in the survey.

How many chose Chicken?

8
• Question 5

This pie chart shows the results of a survey on favourite crisp flavours.

40 people took part in the survey.

How many chose Cheese and Onion?

16
• Question 6

This pie chart shows the results of a survey on favourite crisp flavours.

80 people took part in the survey.

16
• Question 7

This pie chart shows the results of a survey on favourite crisp flavours.

200 people took part in the survey.

40
• Question 8

This pie chart shows the results of a survey on favourite crisp flavours.

200 people chose Chicken.

200
• Question 9

This pie chart shows the results of a survey on favourite crisp flavours.

202 people chose Chicken.

How many chose Prawn Cocktail?

101
• Question 10

This pie chart shows the results of a survey on favourite crisp flavours.

20 people chose Prawn Cocktail.

How many chose Cheese and Onion?

80
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