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. 5d = 30 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. 36 = 6e 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. 2.5g = 5 2.5 2.5 g = 2

8. 5 Minute Check Solve and show work on the back on your homework. 4. 8.1 = 0.9c

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

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

11. 5 Minute Check Flashcards

12. Tuesday, Dec 17 Lesson 7.5 Solve and Write Division Equations

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

14. Solve and Write Division Equations At the end of this lesson you should be able to answer the following question. When solving an equation, why is it necessary to perform the same operation on each side of the equal sign?

15. Solve and Write Division Equations What is the coefficient? 9 t = 3

16. Solve and Write Division Equations What is the coefficient? 9 t = 3 9

17. Solve and Write Division Equations What is the coefficient? t = 3 9

18. Solve and Write Division Equations

19. What is the coefficient? 32 = x 5

20. Solve and Write Division Equations What is the coefficient? 32 = x 5 1 5

21. Solve and Write Division Equations What is the coefficient? 40 = y 2

22. Solve and Write Division Equations What is the coefficient? 40 = y 2 1 2

23. 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 or divided from both sides, the two sides will remain equal.

24. Solve and Write Division Equations 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.

25. Solve and Write Division Equations

26. The process for solving an algebraic division equations is the same as solving an algebraic multiplication equations.

27. Solve and Write Division Equations To Solve a Multiplication or Division Equation. Step 1 – ?

28. Solve and Write Division Equations To Solve a Multiplication or Division Equation. Step 1 – Determine the coefficient.

29. Solve and Write Division Equations To Solve a Multiplication or Division Equation. Step 2 – ?

30. Solve and Write Division Equations To Solve a Multiplication or Division Equation. Step 2 – Multiply both sides by the reciprocal of the coefficient.

31. Solve and Write Division Equations To Solve a Multiplication or Division Equation. Step 3 – Simplify.

32. Solve and Write Division Equations Solve: b = 7 3 Step 1 - ?

33. Solve and Write Division Equations

35. Solve: 3·b = 7 · 3 3 Step 3 - ?

36. Solve and Write Division Equations Solve: 3·b = 7 · 3 3 Can we simplify the left side of the equation?

37. Solve and Write Division Equations Solve: 3·b = 7 · 3 3 b = Can we simplify the right side of the equation?

38. Solve and Write Division Equations Solve: 3·b = 7 · 3 3 b = 21 Work to be shown on the homework.

39. Solve and Write Division Equations Solve: d = 9 8 Do this on your own. What is the reciprocal of the coefficient?

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

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

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

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

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

45. 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.

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? 3p = 42 3 3 p = 14

47. Solve and Write Division Equations The weight of an object on the Moon is one- sixth its weight on Earth. If an object weighs 35 pounds on the Moon, write and solve an algebraic equation to find it’s weight on Earth. Do this on your own.

48. Solve and Write Division Equations The weight of an object on the Moon is one-sixth its weight on Earth. If an object weighs 35 pounds on the Moon, write and solve an algebraic equation to find it’s weight on Earth. 6· w = 35 · 6 6 w = 210 Remember -to find the fraction of a number, you multiply that number by the fraction.

49. Solve and Write Division Equations

51. Solve. 75 = 15 c Do this on your own.

52. Solve and Write Division Equations Solve. 75 = 15 c c ·75 = 15 · c c 75 = 15c 15 15 5 = c

53. Solve and Write Division Equations When solving an equation, why is it necessary to perform the same operation on each side of the equal sign?

54. Solve and Write Division Equations Agenda Notes Homework – Homework Practice 7-5 Due Wednesday, Dec 18 Chapter 7 Test –Thursday, Dec 19 Help Session Wednesday, Dec 18 2:15-3PM