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. Tea Coffee Cola Squash Milk Chocolate 108o 84o 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.

Interpreting Pie Charts Guitar Musical Instrument Total Interpreting Pie Charts In a survey, 90 people were asked to indicate which one of five musical instruments they played. The information is given in the pie chart. Use the pie chart to calculate how many people played each instrument. Violin Recorder Drum Keyboard 140o 100o 60o 40o 20o 90 35 10 15 5 25

Interpreting Pie Charts Total 120 Vanilla Banana Chocolate Strawberry Ice-cream Sales The information in the pie chart shows sales of 120 ice-creams sold from an ice-cream van one Saturday afternoon in the summer. Calculate the number of each type sold. 39o 66o 84o 171o 13 22 28 57

Interpreting Pie Charts Total 300 Rugby Football Cricket Ice Hockey Favourite Sport Squash 90o 108o 54o 72o 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. 75 90 45 60 30

Interpreting Pie Charts 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 115o 40o 55o 65o 85o 46 16 22 26 34

1 2 Guitar Violin Recorder Drum Keyboard Banana Vanilla Chocolate Strawberry 39o 66o 84o 171o 2 90 people asked 120 ice-creams sold

3 4 Cricket Rugby Football Ice Hockey Plain Chicken Salt & V Squash 3 4 Plain Chicken Salt & V Cheese & On Smokey Bacon 115o 40o 55o 65o 85o 300 people asked 144 packets sold