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Ratio and Proportion: Reading a Pie Chart (2)

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

'Ratio and Proportion: Reading a Pie Chart (2)' worksheet

Key stage:  KS 2

Curriculum topic:  Statistics

Curriculum subtopic:  Use Charts and Graphs

Difficulty level:  

down

Worksheet Overview

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?

 

Answer

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?

 

Answer

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.

How many chose Ready Salted?

 

 

 

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

200 people took part in the survey.

How many chose Ready Salted?

 

 

 

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

200 people chose Chicken.

How many chose Ready Salted?

 

 

 

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?

 

 

 

CORRECT ANSWER
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?

 

 

 

CORRECT ANSWER
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?

 

 

 

CORRECT ANSWER
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?

 

 

 

CORRECT ANSWER
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?

 

 

 

CORRECT ANSWER
16
  • Question 6

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

80 people took part in the survey.

How many chose Ready Salted?

 

 

 

CORRECT ANSWER
16
  • Question 7

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

200 people took part in the survey.

How many chose Ready Salted?

 

 

 

CORRECT ANSWER
40
  • Question 8

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

200 people chose Chicken.

How many chose Ready Salted?

 

 

 

CORRECT ANSWER
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?

 

 

 

CORRECT ANSWER
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?

 

 

 

CORRECT ANSWER
80
---- OR ----

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