LO: To Find fractions of numbers and quantities.

1. LO: To Find fractions of numbers and quantities. 4.5.05

2. What is half of………. 58 ?

3. What is a quarter of………. 58 ?

4. What is a half of………. 92 ?

5. What is a quarter of………. 92 ?

6. What is a half of………. 144 ?

7. What is a quarter of………. 144 ?

8. What strategies did you use to answer these questions?

9. A roll of ribbon is 2m. If I use 58cm of ribbon, what fraction have I used?

10. Shade more rectangles so that exactly half of the shape is shaded please

11. A cup holds 250ml of liquid. A bottle holds 500ml. What fraction of the bottle does the cup hold?

12. A cup holds 250ml of liquid. A bottle holds 500ml. What fraction of the bottle does the cup hold? What fraction of the cup does the bottle hold?

13. LO: to relate fractions to division and use division to find fractions of numbers and quantities. 4.5.05

15. Question: Would you rather have ½ a bag of sweets or 6/10?

16. Question: Would you rather have 3/6 a bag of sweets or 1/2?

17. 20 25 30 35 40 45 50 55 ½ of 50 1/3 of 120 3/10 of 100

18. LO: To use vocabulary to express simple ratios. 21.06.05

21. What is the length of each part of the ribbon?

22. What is the length of each part of the ribbon? If we compare these lengths they are 50cm for every 50cm.

23. Could this ratio be simplified? If we compare these lengths they are 50cm for every 50cm.

24. Could this ratio be simplified? 1cm for every 1cm 5cm for every 5cm, etc.

25. 25cm to 75cm

26. 10cm to 90cm

27. LO: to find simple percentages of whole number quantities.Develop calculator skills and use a calculator effectively. 21.06.05

28. 25% 50% 240g £360 1% 10% 4400km 480ml

29. 69% of £360 Can you work out the answer in your head?

30. 69% of £360 Can you work out the answer in your head? What makes this calculation more difficult?

31. 36% 87% 240g £360 29% 58% 4400km 480ml

32. LO: to find simple percentages of whole number quantities. Record these as number sentences in your book..i.e. 17.5% of £360 is £63 17.5% 87% 240g 36% £360 29% 58% 4400km 480ml

33. I need a new pair of trainers……Can you help me, I need the best value! Shop A Cost £30 with a 30% discount Shop B Cost £21 with a 12% discount Shop C Cost £24 with a 35% discount

34. I need a new pair of trainers……Can you help me, I need the best value! Shop A Cost £30 with a 30% discount Shop B Cost £21 with a 12% discount Shop C Cost £24 with a 35% discount Which shop has the cheapest trainers?

35. What have we learned? To calculate key percentages mentally To use a calculator to find percentages.

36. LO: to Find simple percentages of small whole number quantities. 6/5/05

37. 40

38. 10%= 40

39. 10%= 40 20%

40. 30% 10%= 40 20%

41. 30% 10%= 15% 40 20%

42. 30% 10%= 15% 40 5% 20%

43. 30% 10%= 15% 25% 40 5% 20%

44. 30% 10%= 15% 25% 40 5% 5% 20%

45. 30% 10%= 15% 25% 40 5% 5% 20% 1%

46. 10%= 120

47. 10%= 120 20%

48. 30% 10%= 120 20%

49. 30% 10%= 15% 120 20%

50. 30% 10%= 15% 120 5% 20%