1. 5.2 Multiplying Fractions Lesson 5.2

2. Exercise Answers 1. 3__16 2. 3_ _24 = 1_8 3. 5__12 4. 3__15 = 1_5 5. 2__30 = 1__ 15 6. 8__20 = 2_5 7. 4__18 = 2_9 8. 1_2 1_2 = 1_4 9. 4_5 3_4 = 12 __20= 3_5 10. 1_2 3_4 = 3_8 11. 1_6 cup 12. 7__20 of the earth 13. 1 7__12 14. 13 __20 15. 1 1_2 16. 3 2_3 17. 10 11__12 18. 9 7__1

3. Warm Up 1.Draw a model to represent. Find the product. 2.Draw a model to represent. Find the product. 3.Write the equation to match the model. 4.Write the equation to match the model.

4. Multiplying Fractions Find products of expressions involving two fractions. Lesson 5.2

5. Multiplying Fractions Good to Know! The word “of” can mean multiplication. For example, is the same as.

6. Example 1 Find the value of. Find the product of the numerators and denominators. Simplify.

7. Example 2 Find the value of.

8. Example 3 Sandeep had cup of yogurt. She put of the yogurt into a smoothie. What fraction of a cup of yogurt did she use in the smoothie? Write the problem. Divide 4 and 8 by 4. Divide 3 and 9 by 3. Multiply. Sandeep put cup of yogurt in her smoothie. 1 2 1 3

9. Communication Prompt Do you find it easy to simplify before multiplying fractions or after multiplying fractions? Explain your thinking.

10. Exit Problems 1.Find the value of. 2.Find the value of. 3.Sandra bought pound of carrots. She used of them for a soup. How many pounds of carrots did she use for the soup? 4.Tyce hit of the baseballs he was pitched during batting practice. Mason hit of the number of pitches that Tyce hit. What fraction of pitches did Mason hit?