Starter Questions
1. Calculate the area of the following shape
12cm
3cm4cm
4cm
2. Copy the diagram and find all the missing angles
38˚
Created by Mr.Lafferty Maths Dept
Pie ChartsCome up with a question
that we can answer using this Pie Chart.
Created by Mr.Lafferty Maths Dept
Pie ChartsCome up with a question
that we can answer using this Pie Chart.
Pie charts can be thought of as circle graphs.
Pie Charts
How many degree in a circle
1
4
360o
How many degrees in one
slice
90o
4 36090
What fraction is each slice of the circle
6
Pie charts can be thought of as circle graphs.
Pie Charts
How many degree in a circle
1
3
360o
How many degrees in one
slice
120o
3 360120
What fraction is each slice of the circle
The pie chart shows the results of a class survey into favourite restaurant food.
Chinese
French
Indian
Italian
Pie Charts
Italian French
Write down the fraction of the class that choose
ChineseIndian410
210
310
110
Pie Charts
50 people were askedwhat was there favourite holiday
How many chose
America
Spain
4 of 50
10=50 10 4 =20
3 of 50
10=50 10 3 =15
Whole circle is divide into 20 equal pieces
Pie Charts
Count the number of parts the circle is divided into.
1 piece is equal to 1
20
The whole circle represents 100 bottles. How many bottles does 1 piece represent.
5
Pie Charts
Created by Mr.Lafferty Maths Dept
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?