1. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 1

2. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 2

3. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 3

4. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 4 Grade Levels: Subject: Duration: 7 - 8 Math 90 minutes

5. 5 September 20155 September 20155 September 2015 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. 5 September 20155 September 20155 September 2015 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. 5 September 20155 September 20155 September 2015 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. 5 September 20155 September 20155 September 2015 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. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 9 20 min

10. 5 September 20155 September 20155 September 201510 Prepared By: Mr. Raafat Haroun

11. What is this sign?!!!!!! 5 September 20155 September 20155 September 201511 Prepared By: Mr. Raafat Haroun

12. It’s a ratio, and its 2 nd term is 100 5 September 20155 September 20155 September 201512 Prepared By: Mr. Raafat Haroun

13. Oh, thank you.. But What about its name? 5 September 20155 September 20155 September 201513 Prepared By: Mr. Raafat Haroun

14. Its name is 5 September 20155 September 20155 September 201514 Prepared By: Mr. Raafat Haroun

15. Can I convert from fractions into decimals and vice versa? 5 September 20155 September 20155 September 201515 Prepared By: Mr. Raafat Haroun

16. Sure!! Let us see 5 September 20155 September 20155 September 201516 Prepared By: Mr. Raafat Haroun

17. We can put ¾ in the form of decimal as following: following: 5 September 20155 September 20155 September 201517 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 5 September 20155 September 20155 September 201518 Prepared By: Mr. Raafat Haroun

19. But! Can I convert ¾ Into percentage? Sure, and that by multiplying by 100 multiplying by 100= 5 September 20155 September 20155 September 201519 Prepared By: Mr. Raafat Haroun

20. Can you tell me about the rules of applications of percentage in life Sure my dear 5 September 20155 September 20155 September 201520 Prepared By: Mr. Raafat Haroun

21. Application s % ProfitLoseDiscount 5 September 20155 September 20155 September 201521 Prepared By: Mr. Raafat Haroun

22. The loss = cost price – selling price The profit = selling price – cost price 5 September 20155 September 20155 September 201522 Prepared By: Mr. Raafat Haroun

23. Percentage of profit Percentage of profit = profit c.p. X 100% 5 September 20155 September 20155 September 201523 Prepared By: Mr. Raafat Haroun

24. Percentage of loss Percentage of loss = loss c.p. X 100% 5 September 20155 September 20155 September 201524 Prepared By: Mr. Raafat Haroun

25. Example : Example : 5 September 20155 September 20155 September 201525 Prepared By: Mr. Raafat Haroun

26. Ahmed bought some goods for LE 4800 5 September 20155 September 20155 September 201526 Prepared By: Mr. Raafat Haroun

27. And sold them for LE 5400 5 September 20155 September 20155 September 201527 Prepared By: Mr. Raafat Haroun

28. Find Find His percentage of profit. His percentage of profit. 5 September 20155 September 20155 September 201528 Prepared By: Mr. Raafat Haroun

29. Solution : Solution : 5 September 20155 September 20155 September 201529 Prepared By: Mr. Raafat Haroun

30. The profit = selling price – cost price = 5400 – 4800 = LE 600 5 September 20155 September 20155 September 201530 Prepared By: Mr. Raafat Haroun

31. = 600 4800 X 100% = 12.5% Then Percentage of profit Then Percentage of profit 5 September 20155 September 20155 September 201531 Prepared By: Mr. Raafat Haroun

32. Example : Example : 5 September 20155 September 20155 September 201532 Prepared By: Mr. Raafat Haroun

33. Convert each of the following percentage to a decimal 5 September 20155 September 20155 September 201533 Prepared By: Mr. Raafat Haroun

34. 25% (1) (1) (2) (2) 40% 5 September 20155 September 20155 September 201534 Prepared By: Mr. Raafat Haroun 6.3%

35. Solution : Solution : 5 September 20155 September 20155 September 201535 Prepared By: Mr. Raafat Haroun

36. 25% =25÷100 =0.25 (1) (1) 5 September 20155 September 20155 September 201536 Prepared By: Mr. Raafat Haroun

37. (2) (2) 40% = 40÷10 100÷10 = 4 10 =0.4 5 September 20155 September 20155 September 201537 Prepared By: Mr. Raafat Haroun

38. (3) (3) 6.3% = 6.3 X 10 100 X 10 = 63 1000 =0.036 5 September 20155 September 20155 September 201538 Prepared By: Mr. Raafat Haroun

39. (4) (4) 3 3 ∕ 5 % = 18 500 =0.036 5 September 20155 September 20155 September 201539 Prepared By: Mr. Raafat Haroun

40. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 40 I’ll divide the class into groups of 4 students each I’ll divide the class into groups of 4 students each (5 minutes) (5 minutes) ask them to download the assessment file then starting in solving the problems in it ask them to download the assessment file then starting in solving the problems in it (20 minutes ) (20 minutes ) after solving these problems, let each group state and justify the answer. after solving these problems, let each group state and justify the answer. (10 minutes ) (10 minutes )

41. 5 September 20155 September 20155 September 2015 Prepared By: Mr. Raafat Haroun 41 25 min