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Learning ObjectivesIn the starter activity • Pupils should be able to revise what
they have in previous lessons
By the end of this lesson• Pupils should be able to able to add,
subtract, multiply and divide fractions • They will be able to complete related
questions from their text books
STARTERSTARTER STARTERSTARTER
Give a fraction equivalent toGive a fraction equivalent to
7
6
Simplify
27
15
Write as a percentage
100
87
Write as a fraction
7%
Convert it into a mixed number
7
25
Convert it into an improper fraction
5
36
Adding Fractions
+4
1
4
2=
4
3
Why Not ???????????
4
1
4
2
+ 8
3=
Remember
When you add fractions The denominators must be the
same
• Complete Exercise 15:7 • Q 1-5• Page 352• Time allotted: 2 minutes
Pupils should be able to:
What Happens if
• The two bottom numbers are different
6
1
3
2
6
1
3
2
2
2
6
1
6
4
6
5
• Complete Exercise 15:7 • Q 6-11• Page 352• Time allotted: 5 minutes
Pupils should be able to:
4
1
3
1
Find LCM (Lowest Common
Multiple)
4
1
3
1 Multiples of 3 and
4Multiples of 3 3,6,9,12,15,18,21,……..
Multiples of 44,8,12,16,20,24,…………
4
1
3
1
Change the denominators into 12
4 3 3
4
1
3
1
4
12
3
12
4
12
34 112
12
Subtracting Fractions
7
2
7
5
7
3
Different Denominators
3
1
12
5
3
1
12
5
4
4
12
4
12
5
12
45
• Complete Exercise 15:8 • Q 2, 4, 5, 8• Page 352• Time allotted: 5 minutes
Pupils should be able to:
Multiplying Fractions
3
1
6
1
1 of the 3 parts is Green of the box is Green
The box is split in half This split the green part in half. Now only of the
whole box is green
3
1
6
1
2
13
1
This means that
of is
6
1
OR
2
1
3
1
6
1
Question 5
9
5
218
210
18
10
3
2
6
5
27
4
7
4 2
1
7
8
• Complete Exercise 15:9 • Q 1-9• Page 353• Time allotted: 10 minutes
Pupils should be able to:
Dividing Fractions
8
5
4
3
Method• Invert the second fraction and them
multiply
8
5
4
3
4
3
5
8 5
6
20
24
5
11
• Complete Exercise 15:10 • Questions as many as they
can • Page 353• Time allotted: 10 minutes
Pupils should be able to:
