1 Multiplying fractions: Created by James Harris

2 What’s ½ of 4?

3

4 ½ of 1

5 What’s ½ of 4? ½ of 2½ of 3½ of 4

6 What’s ½ of 4? How many a red?44/24/2 = 2

7 What’s 1/4 of 2?

8

9 How many a red?2 2 / 4 bits 2 / 4 = ½

10 What’s ½ of 1/3?

11 What’s ½ of 1/3?

12 What’s ½ of 1/3? This is 1/3 What’s ½ of it?

13 What’s ½ of 1/3? How big is this?

14 What’s ½ of 1/3? How big is this? There are 6 parts, one of which is shaded. Therefore: 1/6

15 What’s ½ of 1/4?

16 What’s ½ of 1/4?

17 What’s ½ of 1/4? This is 1/4 What’s ½ of it?

18 What’s ½ of 1/4? How big is this?

19 What’s ½ of 1/4? How big is this?

20 What’s ½ of 1/4? How big is this? 1/8

21 What’s ¼ of ½?

22 What’s ¼ of ½?

23 What’s ¼ of ½? This is 1/2 What’s ¼ of it?

24 What’s ¼ of ½? This is 1/2 What’s ¼ of it?

25 What’s ¼ of ½? How big is this? 1/8

26 What’s ¾ of ½?

27 What’s ¾ of ½?

28 What’s ¾ of ½? This is 1/2 What’s ¾ of it?

29 What’s ¾ of ½? This is 1/2 What’s ¾ of it?

30 What’s ¾ of ½? How big is this? 3/8

31 What’s 2/5 of 1/3?

32 What’s 2/5 of 1/3?

33 What’s 2/5 of 1/3? This is 1/3 What’s 2/5 of it?

34 What’s 2/5 of 1/3? The1/3 has now been split into 5 ths. How many need to be shaded?

35 What’s 2/5 of 1/3? The1/3 has now been split into 5 ths. How many need to be shaded?

36 What’s 2/5 of 1/3? How big is this? Lets split the rest of the ‘1’ into 5 ths

37 What’s 2/5 of 1/3? How big is this? 2/15

38 What’s 2/7 of 2/3?

39 What’s 2/7 of 2/3?

40 What’s 2/7 of 2/3? This is 2/3 What’s 2/7 of it?

41 What’s 2/7 of 2/3? This is still 2/3 What’s 2/7 of it?

42 What’s 2/7 of 2/3? Lets split this into 7 ths

43 What’s 2/7 of 2/3?

44 What’s 2/7 of 2/3? How many need to be shaded?

45 What’s 2/7 of 2/3? How big is this?

46 What’s 2/7 of 2/3? You have to ask, how do you split up the remaining 1/3 into 1/7’s

47 What’s 2/7 of 2/3? Let’s try:

48 What’s 2/7 of 2/3? Let’s try:

49 What’s 2/7 of 2/3? So how many red are shaded? 2/10.5

50 Dividing fractions

51 2 ÷ 1/3 Is asking how many 1/3’s fit inside 2

52 2 ÷ 1/3 This is 1/3, so how many will fit inside 2?

53 2 ÷ 1/3 This is 1/3, so how many will fit inside 2?

54 2 ÷ 1/3 This is 1/3, so how many will fit inside 2? 6 i.e: 2 ÷ 1/3 =6

55 2 ÷ 1/4 Is asking how many 1/4’s fit inside 2

56 2 ÷ 1/4 This is 1/4, so how many will fit inside 2?

57 2 ÷ 1/4 This is 1/4, so how many will fit inside 2?

58 2 ÷ 1/4 This is 1/4, so how many will fit inside 2? 8 i.e: 2 ÷ 1/4 =8

59 4/5 ÷ 1/5 Is asking how many 1/5’s fit inside 4/5

60 4/5 ÷ 1/5 Is asking how many 1/5’s fit inside 4/5

61 4/5 ÷ 1/5 This is 4/5, how many 1/5’s fit inside

62 4/5 ÷ 1/5 This is 4/5, how many 1/5’s fit inside 4

63 1/2 ÷ 1/3 Is asking how many 1/3’s fit inside 1/2

64 1/2 ÷ 1/3 This is ½, How many 1/3’s fit inside it.

65 1/2 ÷ 1/3 This is 1/3, how many of these fit inside this ½

66 1/2 ÷ 1/3 How many 1/3’s fit inside the ½?

67 1/2 ÷ 1/3 How many 1/3’s fit inside the ½?

68 1/2 ÷ 1/3 How many 1/3’s fit inside the ½?

69 1/2 ÷ 1/3 1 ½ or 3/2

70 1/2 ÷ 1/3 is the same as: 1/2 × 3/1

71 This is the same as 1/2 of 3

72 This is the same as 1/2 of 3

73 This is the same as 1/2 of 3 How many a red?33/2