1. Learning Objectives
In 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

2. STARTERSTARTER
Give a fraction equivalent toGive a fraction equivalent to
7
6

3. Simplify
27
15

4. Write as a percentage
100
87

5. Write as a fraction
7%

6. Convert it into a mixed
number
7
25

7. Convert it into an
improper fraction
5
3
6

8. Adding Fractions
+
4
1
4
2
=
4
3

9. Why Not ???????????
4
1
4
2
+
8
3
=

10. Remember
When you add fractions
The denominators must be the same

11. • Complete Exercise 15:7
• Q 1-5
• Page 352
• Time allotted: 2 minutes
Pupils should be able to:

12. What Happens if
• The two bottom numbers are different
6
1
3
2
+

13. 6
1
3
2
+
2 ×
×2
6
1
6
4
+=
6
5
=

14. • Complete Exercise 15:7
• Q 6-11
• Page 352
• Time allotted: 5 minutes
Pupils should be able to:

15. 4
1
3
1
+

16. Find LCM (Lowest Common Multiple)
4
1
3
1
+ Multiples of 3 and 4
Multiples of 3
3,6,9,12,15,18,21,……..
Multiples of 4
4,8,12,16,20,24,…………

17. 4
1
3
1
+
Change the denominators into 12
4 3
3
4
1
3
1
+×
×
4
×
× =
12
3
12
4
+
12
34+
= = 1
12
12
=

18. Subtracting Fractions
7
2
7
5
− =
7
3

19. Different Denominators
3
1
12
5
−

20. 3
1
12
5
−
×
×
4
4
12
4
12
5
−=
12
45−
=

21. • Complete Exercise 15:8
• Q 2, 4, 5, 8
• Page 352
• Time allotted: 5 minutes
Pupils should be able to:

22. 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

23. 2
1
3
1
This means that
of is
6
1

24. OR
2
1
3
1
6
1
× =

25. Question 5
9
5
218
210
18
10
3
2
6
5
=
÷
÷
==×

26. 2
7
4
× ×
7
4 2
=
1
=
7
8

27. • Complete Exercise 15:9
• Q 1-9
• Page 353
• Time allotted: 10 minutes
Pupils should be able to:

28. Dividing Fractions
8
5
4
3
÷

29. Method
• Invert the second fraction and them
multiply
8
5
4
3
÷ =
4
3
5
8
× =
5
6
20
24
=
5
1
1=

30. • Complete Exercise 15:10
• Questions as many as they can
• Page 353
• Time allotted: 10 minutes
Pupils should be able to: