1. 5 Minute Check Solve and show work on the back on your homework. 1. 5d = 30 2. 36 = 6e 3. 2.5g = 5 4. 8.1 = 0.9c

2. 5 Minute Check Solve and show work on the back on your homework. 1. 5d = 30

3. 5 Minute Check Solve and show work on the back on your homework. 1. 1 · 5d = 30 · 1 5 5 d = 6

4. 5 Minute Check Solve and show work on the back on your homework. 2. 36 = 6e

5. 5 Minute Check Solve and show work on the back on your homework. 2. 1 · 36 = 6e · 1 6 6 6 = e

6. 5 Minute Check Solve and show work on the back on your homework. 3. 2.5g = 5

7. 5 Minute Check Solve and show work on the back on your homework. 3. 1 · 2.5g = 5 · 1 2.5 2.5 g = 2 Or……..

8. 5 Minute Check Solve and show work on the back on your homework. 3. 10 · 2.5g = 5·10 1 · 25g = 50 · 1 25 25 g = 2

9. 5 Minute Check Solve and show work on the back on your homework. 4. 8.1 = 0.9c

10. 5 Minute Check Solve and show work on the back on your homework. 4. 1 · 8.1 = 0.9c · 1 0.9 0.9 9 = c OR………..

11. 5 Minute Check Solve and show work on the back on your homework. 4. 10 · 8.1 = 0.9c · 10 81 = 9c 1 · 81 = 9c · 1 9 9 9 = c

12. Friday, Nov 14 Lesson 6.7.5 Solve and Write Division Equations

13. Objective: To successfully solve and write division equations.

14. Solve and Write Division Equations A coefficient is the numerical factor of a term that contains a variable. e.g. 3x = 9 The coefficient is 3

15. Solve and Write Division Equations What is the coefficient? 9y = 135

16. Solve and Write Division Equations What is the coefficient? 9y = 135

17. Solve and Write Division Equations

25. An equation is only true if both sides are equal. A teeter totter will only be balanced if there is equal weight on both sides.

26. Solve and Write Division Equations Multiplication and Division Property of Equality states if two expressions are equal to each other and the exact same number is multiplied to or divided from both sides, the two sides will remain equal.

27. Solve and Write Division Equations The process for solving an algebraic division equation is the same as solving an algebraic multiplication equation.

28. Solve and Write Division Equations

36. Solve: d = 9 8 Do this on your own.

37. Solve and Write Division Equations Solve: 8· d = 9 · 8 8 d = 72

38. Solve and Write Division Equations Solve: 30 = x 2 Do this on your own.

39. Solve and Write Division Equations Solve: 2 · 30 = x · 2 2 60 = x

40. Solve and Write Division Equations Solve: 3.4 = x 4.5 Do this on your own.

41. Solve and Write Division Equations Solve: 4.5 · 3.4 = x · 4.5 4.5 15.3 = x

42. Solve and Write Division Equations Solve: 40 = 5x 6 Do this on your own.

43. Solve and Write Division Equations Solve: 6 · 40 = 5x · 6 5 6 5 240 5 = x 48 = x

44. Solve and Write Division Equations Dan is 17 years old. He is one third as old as his mom. How old is his mom? Do this on your own.

45. Solve and Write Division Equations Dan is 17 years old. He is one third as old as his mom. How old is his mom? 3· m = 17 · 3 3 m = 54 Remember -to find the fraction of a number, you multiply that number by the fraction.

46. Solve and Write Division Equations The maple tree in Arnie’s front yard is 42 feet tall. The maple tree is three times the height of the pear tree. What is the height of the pear tree? Do this on your own.

47. Solve and Write Division Equations

48. This equation d = 3c shows how the amount of money Carson makes from selling lemonade is related to the number of cups sold. The variable c represents the number of cups sold, and the variable d represents earnings. After selling a total of 1 cup of lemonade, how much money will Carson have made in all?

49. Solve and Write Division Equations

50. This equation s = 9d shows how the accuracy of Sharon's watch is related to how long it's been since she last set it. The variable d represents the number of days passed since Sharon last set her watch, and the variable s represents how many seconds behind the watch is. How far behind is Sharon's watch if she last set it 2 days ago?

51. Solve and Write Division Equations

52. This equation c = 2s shows how the number of cakes Dalton can bake is related to the number of additional sticks of butter he buys. The variable s represents the number of additional sticks of butter Dalton buys, and the variable c represents the total number of cakes he can bake. With 2 additional sticks of butter, how many total cakes can Dalton bake?

53. Solve and Write Division Equations

58. Solve. 180 = 5 c Do this on your own.

59. Solve and Write Division Equations Solve. 180 = 5 c · 180 = 5 · c c 1 c 1 180 = 5c 5 5 36 = c

60. Solve and Write Division Equations Solve. 6x + 7 = 97 Do this on your own.

61. Solve and Write Division Equations Solve. 6x + 7 = 97 - 7 = -7 6x = 90 1 · 6x = 90 · 1 6 6 x = 15

62. Solve and Write Division Equations Agenda Notes No Homework Homework Practice 6.7.5 Due at the end of class Chapter 6.7 Test –Tuesday, Nov 18 Accum Rev 7 Due Nov 18