pie charts (interpreting and drawing)

25
Do not worry about your difficulties in Ma thematics. I can assure you mine are still greater. Albert Einstein .

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Page 2: Pie charts (interpreting and drawing)

108Tea sold = 540

36

601 2x

84Coffee sold = 540 2

3601 6x

36Chocolate sold = 54

050

364x

60Cola sold = 540

39

600x

24Milk = 540

33

606x

48Squash = 540

37

602x

Interpreting Pie Charts

Pie charts can be thought of as circle graphs. To calculate the quantities represented by each slice of the pie chart we need to take the angular fraction of the given total.

TeaCoffee

Cola

Squash

Milk

Chocolate

108o84o

60o

48o 36o

24o

360o

A drinks machine dispenses 540 drinks on a Monday. The information is displayed in the pie chart. Use the information to find the number of each drink sold.

Page 3: Pie charts (interpreting and drawing)

75

90

45

60

30

Total 300

Rugby

Football

Cricket

Ice Hockey

Favourite Sport

Squash

90o108o

54o72o

36o

Interpreting Pie Charts

In a survey, 300 people were asked to indicate which one of five sports they liked best. The information is displayed in the pie chart. Calculate the number of people who chose each sport.

RugbyFo

otba

l

l

CricketIce Hockey

Squash

90Rugby = 300

37

605x

108Football = 300

369

00x

54Cricket = 300

34

605x

72Ice Hockey = 30

060

360x

36Squash = 300

33

600x

Page 4: Pie charts (interpreting and drawing)

46Plain = 144

34

606x

40Chicken = 144

31

606x

46

16

22

26

34

Total 144

Interpreting Pie Charts

The information in the pie chart shows the sales of 144 packets of crisps from a shop. Calculate the number of each type sold.

Plain

Chicken

Salt & V

Cheese & On

Crisp Sales

Smokey Bacon

PlainChicken

Salt & V

Cheese & On

Smokey Bacon

115o40o

55o

65o85o55

Salt & V = 1443

260

2x

65Cheese & Onion = 14

024

366x

85Smokey Bacon = 14

034

364x

Page 5: Pie charts (interpreting and drawing)

90o108o

54o72o

36o

RugbyFo

otba

l

l

CricketIce Hockey

Squash

1 2

PlainChicken

Salt & V

Cheese & On

Smokey Bacon

115o40o

55o

65o85o

300 people asked 144 packets sold

Worksheet 1

Page 6: Pie charts (interpreting and drawing)

Musical Instruments

Total 90

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Page 7: Pie charts (interpreting and drawing)

Total 90

Guitar35

Guitar angle = 360 090

14 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Page 8: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guitar

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 9: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guitar

Violin

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 10: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guitar

Vio

lin

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 11: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guitar

Vio

lin

Recorder

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 12: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guit

ar

Violin

Recorder

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 13: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guit

ar

Violin

Recorder

Drum

Keyboard

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 14: Pie charts (interpreting and drawing)

Total 90

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Guitar

Vio

lin

Reco

rder

Drum

Keyboard

140o

100o60o

40o

20o

35Guitar angle = 360 0

9014 ox

10Violin angle = 36 00

904 ox

15Recorder angle = 36 00

906 ox

5Drum angle = 360 0

902 ox

25Keyboard angle = 360 0

9010 ox

Page 15: Pie charts (interpreting and drawing)

Ice Creams

Drawing Pie Charts

Total 120

13Vanilla angle = 360 9

1203 ox

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 16: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total 120

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Vanilla

13Vanilla angle = 360 9

1203 ox

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 17: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total 120

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Vanilla

13Vanilla angle = 360 9

1203 ox

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 18: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total 120

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Vanilla

Banana

13Vanilla angle = 360 9

1203 ox

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 19: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total 120

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Banana

Vanilla

13Vanilla angle = 360 9

1203 ox

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 20: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total 120

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Banana

Vanilla

Chocolat

eStra

wberry

13Vanilla angle = 360 9

1203 ox

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 21: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total 120

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Banana

Vanilla

Cho

cola

te

Strawberry

39o66o

84o

171o

13Vanilla angle = 360 9

1203 ox

22Banana angle = 360 6

1206 ox

28Chocolate angle = 360 4

1208 ox

57Strawberry angle = 360 1

127

01 ox

Page 22: Pie charts (interpreting and drawing)

Drawing pie charts

Use the data in the frequency table to complete the pie chart showing the favourite colours of a sample of people.

No of people

10

3

14

5

4

Favourite colour

Red

Yellow

Blue

Green

Purple

Total 36

Page 23: Pie charts (interpreting and drawing)

Drawing pie charts

Use the data in the frequency table to complete the pie chart showing the holiday destinations of a sample of people.

Holiday destination

No of people

UK 74

Europe 53

America 32

Asia 11

Other 10

Total 180

Page 24: Pie charts (interpreting and drawing)

Worksheets

Total

Drawing Pie Charts

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

Violin

Recorder

Drum

35

10

15

5

Musical Instrument

Keyboard 25

Worksheet 2

Page 25: Pie charts (interpreting and drawing)

Drawing Pie Charts

Total

Vanilla

Banana

Chocolate

Strawberry

13

22

28

57

Ice-cream SalesThe information in the table shows

sales of ice-cream from an ice-cream van one Saturday afternoon

in the summer. Display the information in a pie chart.

Worksheet 3