1. 5-7 Solving Fraction Equations: Multiplication and Division Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes

2. 5-7 Solving Fraction Equations: Multiplication and Division Do Now Solve. 1. 2. 3. 4.

3. 5-7 Solving Fraction Equations: Multiplication and Division SWBAT solve equations by multiplying both sides of the equation using the multiplicative inverse. Objective

4. 5-7 Solving Fraction Equations: Multiplication and Division Dividing by a number is the same as multiplying by its reciprocal. Remember!

5. 5-7 Solving Fraction Equations: Multiplication and Division Ex.1: Solving Equations by Multiplying and Dividing Solve each equation. Write the answer in simplest form. j = 25 3 5 __ j ÷ = 25 ÷ 3 5 __ 3 5 3 5 j = 25 3 5 __ 5 3 5 3 j = j = 25 5 1 3 _____ j = 25 5 3 __ j = or 41 125 3 ___ 2 3 __ Multiplying both sides by the reciprocal of the fraction next to the variable. Is being multiplied to j j So basically, all that we are doing is…

6. 5-7 Solving Fraction Equations: Multiplication and Division Let’s Try This One Together Solve each equation. Write the answer in simplest form. Multiply both sides by the reciprocal of the fraction next to the variable.

7. 5-7 Solving Fraction Equations: Multiplication and Division TOYO 1 Solve each equation. Write the answer in simplest form. j = 19 3 4 __ 76 ___ 1 3 j =, or 25 3 __ Multiply both sides by the reciprocal of the fraction next to the variable.

8. 5-7 Solving Fraction Equations: Multiplication and Division Ex. 2: Solving Equations by Multiplying and Dividing Solve each equation. Write the answer in simplest form. = 6 5y5y 8 __ y =, or 9 48 5 __ 5y5y 8 6 1 8 5 8 5 = 3 5 Is being multiplied to y Multiply both sides by the reciprocal of the fraction next to the variable.

9. 5-7 Solving Fraction Equations: Multiplication and Division TOYO 2 Solve each equation. Write the answer in simplest form. = 4 6y6y 7 __ y =, or 4 28 6 __ 2 3 Multiply both sides by the reciprocal of the fraction next to the variable.

10. 5-7 Solving Fraction Equations: Multiplication and Division Ex. 3: Solving Equations by Multiplying and Dividing Solve each equation. Write the answer in simplest form. 7x = 2 5 __ 7x7x 1 2 5 1 7 1 7 = x = 2 1 5 7 ____ x = 2 35 __ Multiply both sides by the reciprocal of the fraction next to the variable.

11. 5-7 Solving Fraction Equations: Multiplication and Division TOYO 3 Solve each equation. Write the answer in simplest form. 3x = 1 7 __ x = 1 21 __

12. 5-7 Solving Fraction Equations: Multiplication and Division Standard Lesson Quiz Lesson Quizzes Lesson Quiz for Student Response Systems

13. 5-7 Solving Fraction Equations: Multiplication and Division TWAP and Show Your Work Solve each equation. Write the answer in simplest form. 1. 3x = 2. x = 4 3. x = 14 4. = 9 5. Rebecca used 3 pt of paint to paint of the trim in her bedroom. How many pints will Rebecca use for the trim in the entire bedroom? 1 8 __ 1 4 3 7 y 7 1 4 x = 16 1 24 __ x = 98 3 __ 2 3 x = or 32 y = 63 12

14. 5-7 Solving Fraction Equations: Multiplication and Division Chapter 5 Test Review Activity  With your group, complete the following questions from the “Chapter 5 Study Guide Review” on page 232: Section 1 – Even Only Section 2 – Even Only Section 3 – Odd Only Section 4 – #’s 20 – 23 Section 5 – All Section 6 - #’s 31 – 33 Section 7 – Odd Only Each group is expected to complete all of the assigned questions in their notes. A representative will be chosen at random to complete a couple of questions at the board from a selected section. If this representative does a great job, then a maximum of 3 points will be added to Wednesday’s Test.

15. 5-7 Solving Fraction Equations: Multiplication and Division Section 1Section 2Section 3Section 4 Section 5 Section 6Section 7 Chapter 5 Review

16. 5-7 Solving Fraction Equations: Multiplication and Division 1. Solve the equation and identify the answer in the simplest form. A. C. B. D. Lesson Quiz for Student Response Systems

17. 5-7 Solving Fraction Equations: Multiplication and Division 2. Solve the equation and identify the answer in the simplest form. A. x = 5 C. x = 25 B. x = 10 D. x = 50 Lesson Quiz for Student Response Systems

18. 5-7 Solving Fraction Equations: Multiplication and Division 3. Solve the equation and identify the answer in the simplest form. A. C. B. D. Lesson Quiz for Student Response Systems

19. 5-7 Solving Fraction Equations: Multiplication and Division 4. Solve the equation and identify the answer in the simplest form. A. y = 72 C. B. y = 17 D. Lesson Quiz for Student Response Systems

20. 5-7 Solving Fraction Equations: Multiplication and Division 5. Lou is learning to paint pottery. He used 3 pints of paint to paint of a pot. How many pints will Lou use for the entire pot? A. C. 3 pt B. D. 7 pt Lesson Quiz for Student Response Systems