1. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 1

2. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 2

3. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 3

4. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 4 Grade Levels: Subject: Duration: 7 - 8 Math 90 minutes

5. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 5 This lesson is talking about what the percentage is and how do we apply this concept in calculating some problems related to percentage. Then, ask the students to make a task related to the lesson

6. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 6 By the end of the lesson the student must be able to: Realize the concept of percentage Convert from percentage into fraction / decimal Convert from percentage into fraction / decimal Convert from fraction / decimal into percentage Convert from fraction / decimal into percentage calculate the percentage of an amount with respect to its total. calculate the percentage of an amount with respect to its total. Use the pie chart to represent the application of percentage in life Use the pie chart to represent the application of percentage in life

7. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 7 School Book School Book http://en.wikipedia.org/wiki/Pie_chart http://en.wikipedia.org/wiki/Pie_charthttp://en.wikipedia.org/wiki/Pie_chart http://www.mathsisfun.com/percentage.ht ml http://www.mathsisfun.com/percentage.ht ml http://www.mathsisfun.com/percentage.ht ml http://www.mathsisfun.com/percentage.ht ml www.maths.com www.maths.comwww.maths.com www.mathfun.com www.mathfun.com www.mathkids.com

8. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 8 Time Capsule This is a good exercise for practicing reaching consensus and for team members to understand each others' values. Have each member of the team list five items that they feel should be included in a time capsule that will be opened by another civilization in five thousand years' time. Each member of the team should then explain the reasons for their choice. The team then reaches consensus on which five objects should be included in the time capsule. Ask each team to write their final choice of items on a flipchart and discuss and defend their choices with the whole group. 10 min

9. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 9 20 min

10. 12 January 201612 January 201612 January 201610 Prepared By: Mr. Raafat Haroun

11. What is this sign?!!!!!! 12 January 201612 January 201612 January 201611 Prepared By: Mr. Raafat Haroun

12. It’s a ratio, and its 2 nd term is 100 12 January 201612 January 201612 January 201612 Prepared By: Mr. Raafat Haroun

13. Oh, thank you.. But What about its name? 12 January 201612 January 201612 January 201613 Prepared By: Mr. Raafat Haroun

14. Its name is 12 January 201612 January 201612 January 201614 Prepared By: Mr. Raafat Haroun

15. Can I convert from fractions into decimals and vice versa? 12 January 201612 January 201612 January 201615 Prepared By: Mr. Raafat Haroun

16. Sure!! Let us see 12 January 201612 January 201612 January 201616 Prepared By: Mr. Raafat Haroun

17. We can put ¾ in the form of decimal as following: following: 12 January 201612 January 201612 January 201617 Prepared By: Mr. Raafat Haroun

18. Can i put 0.125 in the form of fraction? form of fraction?Simplifying Sure my dear, 0.125 means 12 January 201612 January 201612 January 201618 Prepared By: Mr. Raafat Haroun

19. But! Can I convert ¾ Into percentage? Sure, and that by multiplying by 100 multiplying by 100= 12 January 201612 January 201612 January 201619 Prepared By: Mr. Raafat Haroun

20. Can you tell me about the rules of applications of percentage in life Sure my dear 12 January 201612 January 201612 January 201620 Prepared By: Mr. Raafat Haroun

21. Application s % ProfitLoseDiscount 12 January 201612 January 201612 January 201621 Prepared By: Mr. Raafat Haroun

22. The loss = cost price – selling price The profit = selling price – cost price 12 January 201612 January 201612 January 201622 Prepared By: Mr. Raafat Haroun

23. Percentage of profit Percentage of profit = profit c.p. X 100% 12 January 201612 January 201612 January 201623 Prepared By: Mr. Raafat Haroun

24. Percentage of loss Percentage of loss = loss c.p. X 100% 12 January 201612 January 201612 January 201624 Prepared By: Mr. Raafat Haroun

25. Example : Example : 12 January 201612 January 201612 January 201625 Prepared By: Mr. Raafat Haroun

26. Ahmed bought some goods for LE 4800 12 January 201612 January 201612 January 201626 Prepared By: Mr. Raafat Haroun

27. And sold them for LE 5400 12 January 201612 January 201612 January 201627 Prepared By: Mr. Raafat Haroun

28. Find Find His percentage of profit. His percentage of profit. 12 January 201612 January 201612 January 201628 Prepared By: Mr. Raafat Haroun

29. Solution : Solution : 12 January 201612 January 201612 January 201629 Prepared By: Mr. Raafat Haroun

30. The profit = selling price – cost price = 5400 – 4800 = LE 600 12 January 201612 January 201612 January 201630 Prepared By: Mr. Raafat Haroun

31. = 600 4800 X 100% = 12.5% Then Percentage of profit Then Percentage of profit 12 January 201612 January 201612 January 201631 Prepared By: Mr. Raafat Haroun

32. Example : Example : 12 January 201612 January 201612 January 201632 Prepared By: Mr. Raafat Haroun

33. Convert each of the following percentage to a decimal 12 January 201612 January 201612 January 201633 Prepared By: Mr. Raafat Haroun

34. 25% (1) (1) (2) (2) 40% 12 January 201612 January 201612 January 201634 Prepared By: Mr. Raafat Haroun 6.3%

35. Solution : Solution : 12 January 201612 January 201612 January 201635 Prepared By: Mr. Raafat Haroun

36. 25% =25÷100 =0.25 (1) (1) 12 January 201612 January 201612 January 201636 Prepared By: Mr. Raafat Haroun

37. (2) (2) 40% = 40÷10 100÷10 = 4 10 =0.4 12 January 201612 January 201612 January 201637 Prepared By: Mr. Raafat Haroun

38. (3) (3) 6.3% = 6.3 X 10 100 X 10 = 63 1000 =0.036 12 January 201612 January 201612 January 201638 Prepared By: Mr. Raafat Haroun

39. (4) (4) 3 3 ∕ 5 % = 18 500 =0.036 12 January 201612 January 201612 January 201639 Prepared By: Mr. Raafat Haroun

40. 12 January 201612 January 201612 January 2016 Prepared By: Mr. Raafat Haroun 40 25 min