1. Splash Screen

2. Five-Minute Check (over Lesson 3–3) NGSSS Then/Now New Vocabulary
Key Concept: Inverse Property of Multiplication
Example 1: Find Multiplicative Inverses
Key Concept: Dividing Fractions
Example 2: Divide by a Fraction or Whole Number
Example 3: Divide by a Mixed Number
Example 4: Standardized Test Example
Example 5: Divide Algebraic Fractions
Lesson Menu

3. A. B. C. D. A B C D
5-Minute Check 1

4. A. B. C. D. A B C D
5-Minute Check 2

5. A. B. C. D. A B C D
5-Minute Check 3

6. A. 2x B. C. D. A B C D
5-Minute Check 4

7. A. B. C. D. A B C D
5-Minute Check 5

8. A B C D
A. B.
C. D.
5-Minute Check 6

9. MA.7.A.3.2 Add, subtract, multiply, and divide integers, fractions, and terminating decimals, and perform exponential operations with rational bases and whole number exponents including solving problems in everyday contexts.
MA.8.A.6.4 Perform operations on real numbers (including integer exponents, radicals, percents, scientific notation, absolute value, rational numbers, and irrational numbers) using multi-step and real-world problems.
NGSSS

10. Divide positive and negative fractions using multiplicative inverses.
You have already divided positive fractions and multiplied rational numbers. (Lesson 3–3)
Divide positive and negative fractions using multiplicative inverses.
Divide algebraic fractions.
Then/Now

11. multiplicative inverse
reciprocal
Vocabulary

12. Concept

13. Find Multiplicative Inverses
The product is 1.
Answer:
Example 1

14. Find Multiplicative InversesB.
Example 1

15. A. A. B. C. D. A B C D
Example 1

16. A. B. C. D. A B C D
Example 1

17. Concept

18. A. Find . Write in simplest form.
Divide by a Fraction or Whole Number
A. Find Write in simplest form.
Divide by the GCF, 5.
Simplify.
Answer:
Example 2

19. B. Find . Write in simplest form.
Divide by a Fraction or Whole Number
B. Find Write in simplest form.
Write 3 as .
Multiply.
Answer:
Example 2

20. A. B. C. D. A B C D
Example 2A

21. A. B. C. D. A B C D
Example 2B

22. Rename the mixed numbers as improper fractions.
Divide by a Mixed Number
Rename the mixed numbers as improper fractions.
Divide out common factors.
Example 3

23. Divide by a Mixed Number
Simplify.
Answer: –3
Example 3

24. A. –3
B. –2 C. D. A B C D
Example 3

25. You need to find the number of gallons needed.
Read the Test Item
You need to find the number of gallons needed.
Example 4

26. Solve the Test Item
Example 4

27. Answer: So, the correct answer is B.
Example 4

28. A. 20 glasses B. C.
D. 30 glasses A B C D
Example 4

29. Divide out common factors.
Divide Algebraic Fractions
Divide out common factors.
Simplify.
Answer:
Example 5

30. A. B. C. D. A B C D
Example 5

31. End of the Lesson

32. End of Custom Shows