1. Mathematics
Pie Charts - Homework

2. Draw the pie charts from the tables below.1) 2)
Activity
Frequency
Gym 6
Swimming 15
Squash 3
Aerobics
Total 30
Type of Pet
Frequency
Cat 30
Dog 25
Rabbit 15
Other 20
Total 90

3. The pie chart shows how Jenny spends her monthly income.
Jenny spends £150 a month on food.
(a) Work out Jenny’s monthly income
(b) Work out how much Jenny spends on rent each month.
Hint: Put the angle in the pie chart over 360 (like a fraction), cancel down if possible and then relate it to the money Jenny has.
120º
Food
Rent
Other Bills
Savings
Clothes & Going Out

4. Are you ready for the answers ?
4) In a town, 1800 cars were stolen in a year. The table show information about the times of day in which they were stolen.
Time
Number of cars
Midnight to 6 am
700
6 am to midday 80
Midday to 6 pm
280
6 pm to midnight
470
Time unknown
270
This information can be shown on a pie chart.
(a) Copy out the table below and work out the angles for each sector.
Time
Angle of sector
Midnight to 6 am
6 am to midday
Midday to 6 pm
6 pm to midnight
Time unknown
Total of angles
360º
Are you ready for the answers ?
(b) Construct the pie chart.
(c) What fraction of cars were stolen between midday and 6pm.
Write your answer in its simplest terms.

5. Answers to Q4 (a) and (c). (a) Angles: 700  0.2 = 140º 80  0.2 = 16º
280  0.2 = 56º
470  0.2 = 94º
270  0.2 = 140º
(c) 280 = 7