Pie Charts Lesson

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

Now Draw the Pie Chart

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

Now Draw the Pie Chart

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

Now Draw the Pie Chart

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

Now Draw the Pie Chart

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

Now Draw the Pie Chart

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

Now Draw the Pie Chart

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 – 20 + 15 + 10 + 15 = 60 Vehicles Mode = Most Frequent