1. Splash Screen

2. Lesson Menu Five-Minute Check (over Lesson 2–3) Main Idea and Vocabulary Key Concept: Inverse Property of Multiplication Example 1:Find a Multiplicative Inverse Key Concept: Divide Fractions Example 2:Divide Fractions and Mixed Numbers Example 3:Divide Fractions and Mixed Numbers Example 4:Real-World Example Example 5:Real-World Example

3. Main Idea/Vocabulary multiplicative inverses reciprocals Divide positive and negative fractions. Two numbers with a product of 1

4. KC 1 BrainPop: Multiplying and Dividing Fractions

5. Example 1 Find a Multiplicative Inverse Answer:

6. 1.A 2.B 3.C 4.D Example 1 A. B. C. D.

7. KC 2

8. Example 2 Divide Fractions and Mixed Numbers The fractions have different signs, so the quotient is negative. Answer: Multiply by the multiplicative

9. 1.A 2.B 3.C 4.D Example 2 A. B. C. D.

10. Example 3 Divide Fractions and Mixed Numbers The multiplicative inverse of Divide 4 and 8 by their GCF, 4. Estimate 3 ÷ (–2) = –1.5

11. Example 3 Simplify. Divide Fractions and Mixed Numbers Check for Reasonableness Compare to the estimate. The answer seems reasonable because –1.5 is close to Answer:

12. 1.A 2.B 3.C 4.D Example 3 A. B. C. D.

13. Example 4

14. Divide by common factors. = 5Simplify. Answer: The cinema shows the movie 5 times that day.

15. 1.A 2.B 3.C 4.D Example 4 A.4 times B.5 times C.6 times D.7 times

16. Example 5 PAINTING It took the five members of the Johnson family 10 days to paint the seven rooms of their house. At this rate, how long will it take the four members of the Reyes family to complete a similar task in their house? If 5 persons each worked days, the project required person-days of work. Divide this number by 4 persons to find the number of days it will take the Reyes family to complete their painting.

17. Example 5 Multiply by the multiplicative inverse of 4, which is. Simplify. Answer:

18. 1.A 2.B 3.C 4.D Example 5 DECORATING Six students spent hours decorating the school gym for a dance. How long would it take 8 students to decorate the gym in the same way? A. B. C. D.

19. End of the Lesson

20. Resources Five-Minute Check (over Lesson 2–3) Image Bank Math Tools Multiplying Fractions Multiplying and Dividing Fractions

21. 1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 2-3) A. B. C. D. Find Write in simplest form.

22. 1.A 2.B 3.C 4.D Five Minute Check 2 (over Lesson 2-3) A. B. C. D. Find Write in simplest form.

23. 1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 2-3) A. B. C. D. Find Write in simplest form.

24. 1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 2-3) A. B. C. D. Find Write in simplest form.

25. 1.A 2.B 3.C 4.D Five Minute Check 5 (over Lesson 2-3) A. B. C. D.

26. 1.A 2.B 3.C 4.D Five Minute Check 6 Which of the following is 0.032 written as a fraction in simplest form? (over Lesson 2-3) A.3.2 B. C. D.

27. End of Custom Shows