Starter interpreting Pie charts 1 Write down the

Starter – interpreting Pie charts 1) Write down the fraction shaded below: 270° 90° 180° 1 2 1 4 120° 3 4 2) Write down the percentage shaded below: 50% 25% 75% 1 3 2 3 . 33. 3% INTRODUCTORY EXTENSION 45° 240° 1 8 . 66. 6% 3) Write down the correct angles of the circles. 12. 5% 22. 5° 1 16 6. 25%

PIE CHARTS INTERPRETING EXAMPLE 1 30 cars 1) What is the mode car colour? Black 2) Which colour is represented by the orange sector of the pie chart? Other 3) What fraction of cars were black? = 25% 4) What percentage were either silver or blue? 5) 30 cars were black, how many were surveyed altogether? 30 + 30 = 60 cars

PIE CHARTS INTERPRETING 60 people 1) What is the least popular sport? Rugby 2) Which sport does the purple sector represent? Golf 3) What fraction of people chose football as their favourite sport? 4) List the sports from least popular to most popular. Rugby, Cricket, Golf, Boxing, Athletics, Football 5) 60 people chose football, how many were asked altogether? 60 + 60 = 180 people

PIE CHARTS INTERPRETING EXAMPLE 2 The pie chart shows the types of housing on a new estate. Altogethere were 540 new houses built. 110° How many are: (a) Detached? x 90 of 540 360 = 135 (b) Semi-Detached? x 120 of 540 360 = 180 90° (c) Bungalows x 40 of 540 360 = 60 There are 360° in a full pie (d) Terraced? x 110 of 540 360 = 165

PIE CHARTS INTERPRETING 1) 900 pupils were asked to vote for their favourite 2) One weekend in Bedale, a café sold 300 drinks. subject. The pie chart shows their responses. The pie chart illustrates the different drinks that were sold. How many voted for: (a) PE? (b) Science (c) Maths? How many of the following drinks were sold that weekend: (a) Soft drinks? (b) Tea? (c) Hot chocolate? (d) Coffee?

PIE CHARTS INTERPRETING The pie chart below shows the percentage composition of the human body. For a person weighing 50 kg what is their composition of : (c) Other dry elements? (b) Proteins? (a) Water? 16% of 50 kg 14% of 50 kg 70% of 50 kg x 7 10% = 5 70% = 35 35 kg x 7 x 16 1% = 0. 5 16% = 8 8 kg x 16 x 14 1% = 0. 5 14% = 7 7 kg x 14

Plenary • Do you feel like you have met the learning objectives? Explain why. • Do you feel you now have a greater understanding when ordering fractions, decimals and percentages. • Rate how successful you were in this lesson on a scale of Gold, silver and bronze or require more help. Why? and What do you need to get to the next medal?