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# Starter Questions - PowerPoint PPT Presentation

Starter Questions. 1. Calculate the area of the following shape. 3cm. 4cm. 4cm. 12cm. 2. Copy the diagram and find all the missing angles. 38˚. Pie Charts. Learning Intention. To explain the main points of a Pie Chart and how to construct them. Pie Charts.

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### Starter Questions

1. Calculate the area of the following shape

3cm

4cm

4cm

12cm

2. Copy the diagram and find all the missing angles

38˚

### Pie Charts

Learning Intention

• To explain the main points of a Pie Chart and how to construct them.

### Pie Charts

Come up with a question that we can answer using this Pie Chart.

Created by Mr.Lafferty Maths Dept

### Pie Charts

Come up with a question that we can answer using this Pie Chart.

Created by Mr.Lafferty Maths Dept

Pie charts can be thought of as circle graphs.

360o

How many degree in a circle

90

How many degrees in one slice

90o

What fraction is each slice of the circle

Pie charts can be thought of as circle graphs.

360o

How many degree in a circle

120

How many degrees in one slice

120o

What fraction is each slice of the circle

Work out the fraction and degrees

for each slice of the circles.

### Pie Charts

Let’s make up our own question

Indian

Italian

French

Pie Charts

The pie chart shows the results of a class survey into favourite restaurant food.

Write down the fraction of the class that choose

Indian

Chinese

Italian

French

### Pie Charts

50 people were asked

what was there

favourite holiday

Spain

How many chose

America

Count the number of parts the circle is divided into.

Whole circle is divide into 20 equal pieces

1 piece is equal to

The whole circle represents 100 bottles.

How many bottles does 1 piece represent.

5

### Pie Charts

What does each part stand for ?

What fraction represents each mealtime ?

There is 100 pupils in the survey?

What is

1/20 of 100.

How many people chose each mealtime?

Created by Mr.Lafferty Maths Dept

10

30

20

10

20

10

15

15

30

5

15

15

5

For this question construct a Pie Chart using the Pie Chart worksheet.