1. Pie Charts
Lesson

2. Survey of students favorite car
Step 1 Add up and get the total Step 2 number / total X 360
Subject
number of students
number of degrees
Porsche 2
Mini 3
Mondeo
Skoda 11
Lotus 1
Total
360
/20 X 360 = 36
/20 X 360 = 40
/20 X 360 = 180
/20 X360 = 50
/ 20 X 360 = 18 20

3. Now Draw the Pie Chart

4. Survey of students best food
Item
number of students
number of degrees
chips 21
crisps 15
cake 6
chocolate 14
lettuce 4
Total
360
/60 X 360 = 126
/60 X 360 = 90
/60 X 360 = 36
/60 X360 = 84
/ 60 X 360 = 24 60

5. Now Draw the Pie Chart

6. 360 children are asked how they come to school
Scale 1 child = __________
360 / 360 = 1
Method of Travel
number of pupils
number of degrees
walking
120
cycling 90
bus 70
car 50
train 30
Total
360
120 90 70 50 30

7. Now Draw the Pie Chart

8. Samiya's week at the office, 36 hours
Scale 1 hour = 10 degrees
Activity
number of hours
number of degrees
word processing
170
filing 3
answering phone 7
sorting mail 20
breaks 2
taking notes 5
Total 36
360 17 30 70 2 20 50

9. Now Draw the Pie Chart

10. What 72 children wanted to see in their Youth Club
Scale 1 child = __________
360 / 72 = 5
Facility
number of children
number of degrees
pool table 75
table football 9
games console 50
air hockey 8
cold drinks 12
dvd lending 90
Total 72
360 15 45 10 40 60 18

11. Now Draw the Pie Chart

12. Production of different cereals in a factory total 1080 kg
Scale 1 DEGREES = __________
1080/360 = 3kg
Cereal
number of kg
number of degrees
corn flakes 90
rice crispies
120
sugar puffs 60
shredded wheat
150
weetabix
cocoa pops
100
Total
1080
360
270 40
180 50 20
300

13. Now Draw the Pie Chart

14. 60 vehicles are shown in this pie chart
360 degrees / 60 cars = 6
Therefore 1 vehicle = 6 degrees
Calculate the numbers of cars, vans, buses and lorries
State the mode type of vehicle
Cars = 120 / 6 = 20 cars
Vans = 90 / 6 = 15 Vans
Buses = 60 / 6 = 10 Buses
Lorries = 90 / 6 = 15 Lorries
To check – = 60 Vehicles
Mode = Most Frequent