1. MALT©2006 Maths/Fractions Slide Show : Lesson 6
Fractions Lesson 6
Adding Fractions
Part 1
MALT©2006 Maths/Fractions Slide Show : Lesson 6

2. MALT©2006 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the
same denominator. 1 4 1 4 +
MALT©2006 Maths/Fractions Slide Show : Lesson 6

3. MALT©2006 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the
same denominator. 1 5 3 5 +
MALT©2006 Maths/Fractions Slide Show : Lesson 6

4. 3 8 2 8 +
Read aloud this sum

5. 3 8 2 8 +
The fractions have the same
denominator
eighths

6. 3 8 2 8 +
Three eighths add two eighths
equals five eighths.
eighths

7. eighths 3 8 2 8 5 8 Three eighths add two eighths equals five eighths.+
Three eighths add two eighths
equals five eighths.
eighths

8. 4 7 2 7 6 14 Four sevenths add two sevenths equals six fourteenths.+
Four sevenths add two sevenths
equals six fourteenths.
Is this correct ?
Who can explain why it’s wrong ?

9. 4 7 2 7 6 14 It’s wrong because sevenths are being added.+
It’s wrong because sevenths are
being added.
So the answer must be
in sevenths.

10. 4 7 2 7 6 7 Four sevenths add two sevenths equals six sevenths.+
Four sevenths add two sevenths
equals six sevenths.
The answer must be in
sevenths.

11. You can discuss these with a friend.
O.K. some for you to try.
You can discuss these with a friend.
Thinking time starts now !
+ 3
+ 1

12. The answers. 7 8 5 7
+ 3
+ 1 7 9 5 6

13. 1 1 5 3 5 +
Read aloud this sum

14. 1 denominator fifths 1 5 3 5 These fractions can be added+
fifths
These fractions can be added
because they have the same
denominator

15. 1 1 5 3 5 So think about it like this…. One whole…………… add+
So think about it like this….
One whole…………… add
one fifth …………… add
three fifths ……………
equals

16. 1 1 One and four fifths 1 5 3 5 4 5 So think about it like this….+
So think about it like this….
One and four fifths
One whole…………… add
one fifth …………… add
three fifths ……………
equals

17. 1 1 1 2 O.K. some for you to try. You can discuss these with a friend.
Thinking time starts now ! 1
+ 3 1
+ 1 1 2

18. The answers 1 7 8 1
+ 3 1
+ 1 1 5 7 1 1 2 2 5 6 7 9

20. eighths 7 3 8 8 How about these factions. Can we add these together ?+
How about these factions.
Can we add these together ?
Yes we can because they are
both eighths.
eighths

21. 7 8 3 8 +
How many eighths altogether ? 10 8

22. 7 3 8 8 10 8 How many eighths altogether ? + This is the right answer
but it is written as an
improper fraction.

23. 7 8 3 8 10 8 What is ten eighths as a mixed number? +
This is the right answer
but it is written as an
improper fraction. +
What is ten eighths as
a mixed number?

24. 7 8 1 3 8 10 8 2 8 +
We change this improper fraction into a mixed number.

25. 7 8 1 1 3 8 10 8 2 8 1 4 +
We then simplify this fraction to get this answer.

26. 7 8 1 1 3 8 10 8 2 8 1 4 +
Any questions or comments about this bit ?

27. 7 8 1 1 3 8 10 8 2 8 1 4 +
Any questions or comments about this bit ?

28. 7 8 1 1 3 8 10 8 2 8 1 4 +
Eighths, how many ?

29. 7 8 1 1 3 8 10 8 2 8 1 4 +
Eighths, how many ? ten

30. 7 8 1 1 3 8 10 8 2 8 1 4 +
Or see them as one whole and two eighths.

31. 7 8 1 1 3 8 10 8 2 8 1 4 +
Or see them as one whole and two eighths.

32. 7 8 1 1 3 8 10 8 2 8 1 4 +
Any questions or comments about this bit ?

33. 7 8 1 1 3 8 10 8 2 8 1 4 +
equals

34. 1 O.K. some for you to try. You can discuss these with a friend.
Thinking time starts now !
+ 3
+ 5 1

35. Here come the answers !

36. O.K. the answers. 1 1
+ 3 1 6
+ 5 2 7 1 1 1 2 9 1 4

37. MALT©2007 Maths/Fractions Slide Show : Lesson 6
end of slideshow
MALT©2007 Maths/Fractions Slide Show : Lesson 6

38. MALT©2007 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the
same denominator.
follow up tasks
textbook page 40
symmetry games
card games
MALT©2007 Maths/Fractions Slide Show : Lesson 6