Warm Up Problem of the Day Lesson Presentation Lesson Quizzes

Warm Up Multiply. 1. 2. 3. 4. 1 2 __ 3 • 1 6 __ • 4 5 __ 3 8 3 10 __ 3 1. 2. 3. 4. 1 2 __ 3 • 1 6 __ • 4 5 __ 3 8 3 10 __ 3 11 __ 6 11 __ 3 8 __ 5 8 __ 15 64 __ • 2 •

Problem of the Day Tracy and Zachary are sharing a large pizza. Tracy cuts the pizza in half. Zachary says he cannot eat that much. Zachary cuts his half into fourths and eats one piece. What fraction of the whole pizza does Zachary not eat? 7 8 __

Learn to multiply mixed numbers.

Find each product. Write the answer in simplest form. 3 4 __ 1 6 __ 1 • 2 7 4 __ 13 6 • Write the mixed numbers as improper fractions. 1 = 2 = 7 4 __ 13 6 3 1 7 • 13 4 • 6 ______ Multiply numerators. Multiply denominators. 91 24 __ 19 24 __ You can write the improper fraction as a mixed number. 3

Multiply. Write each answer in simplest form. 1 4 __ 1 3 __ • 1 1 4 __ 3 • Write 1 as an improper fraction. 1 = 4 3 __ 1 1 • 4 4 • 3 _____ Multiply numerators. Multiply denominators. 4 12 __ 1 3 __ Write the answer in simplest form.

Multiply. Write each answer in simplest form. 1 2 __ 4 5 __ 3 • 7 2 __ 4 5 • Write 3 as an improper fraction. 3 = 7 2 __ 1 7 • 4 2 • 5 _____ Multiply numerators. Multiply denominators. 28 10 __ 14 5 __ 4 5 __ Write the answer in simplest form. You can write the answer as a mixed number. = 2

Multiply. Write each answer in simplest form. 12 13 __ 3 8 __ • 2 12 13 __ 19 8 • Write 2 as an improper fraction. 2 = 19 8 __ 3 3 12 13 __ 19 8 • Use the GCF to simplify before multiplying. 2 3 • 19 13 • 2 ______ 57 26 __ 5 26 __ = 2 You can write the answer as a mixed number.

Multiply. Write each answer in simplest form. 1 9 __ 1 2 __ • 1 1 9 __ 3 2 • Write 1 as an improper fraction. 1 = 3 2 __ 1 1 • 3 9 • 2 _____ Multiply numerators. Multiply denominators. 3 18 __ 1 6 __ Write the answer in simplest form.

Multiply. Write each answer in simplest form. 2 3 __ 5 6 __ 2 • 8 3 __ 5 6 • Write 2 as an improper fraction. 2 = 8 3 __ 2 8 • 5 3 • 6 _____ Multiply numerators. Multiply denominators. 40 18 __ 20 9 __ 2 9 __ Write the answer in simplest form. You can write the answer as a mixed number. = 2

Multiply. Write each answer in simplest form. 14 15 __ 2 7 __ • 3 14 15 __ 23 7 • Write 3 as an improper fraction. 3 = 23 7 __ 2 2 14 15 __ 23 7 • Use the GCF to simplify before multiplying. 1 2 • 23 15 • 1 ______ 46 15 __ 1 15 __ You can write the answer as a mixed number. = 3

Remember! You can estimate the product to see whether your answer is reasonable.

Find each product. Write the answer in simplest form. Additional Example 2A: Multiplying Mixed Numbers Find each product. Write the answer in simplest form. 2 3 __ 1 7 __ 1 • 2 5 3 __ 15 7 • Write the mixed numbers as improper fractions. 1 = 2 = 5 3 __ 15 7 2 1 5 • 15 3 • 7 ______ Multiply numerators. Multiply denominators. 75 21 __ 12 21 __ You can write the improper fraction as a mixed number. 3 4 7 __ 3 Simplify.

Find each product. Write the answer in simplest form. Additional Example 2B: Multiplying Mixed Numbers Find each product. Write the answer in simplest form. 3 8 __ 2 5 __ 1 • 2 Write the mixed numbers as improper fractions. 1 = 2 = 11 8 __ 12 5 3 2 11 8 __ 12 5 • 3 11 8 __ 12 5 • Use the GCF to simply before multiplying. 2 11 • 3 2 • 5 ______ Multiply numerators. Multiply denominators. 33 10 __ 3 10 __ 3 Simplify.

Find each product. Write the answer in simplest form. Additional Example 2C: Multiplying Mixed Numbers Find each product. Write the answer in simplest form. 2 5 __ 2 • 4 2 5 __ 2 • 4 2 5 __ 2 • (4 + ) 2 5 __ (2 • 4) + ( 2 • ) Use the Distributive Property. 2 1 __ 2 5 __ (2 • 4) + ( • ) 4 5 __ 8 + Multiply. 4 5 __ 8 Add.

Find each product. Write the answer in simplest form. Check It Out: Example 2B Find each product. Write the answer in simplest form. 2 9 __ 3 5 __ 1 • 3 Write the mixed numbers as improper fractions. 1 = . 3 = 11 9 __ 18 5 2 3 11 9 __ 18 5 • 2 11 9 __ 18 5 • Use the GCF to simply before multiplying. 1 11 • 2 1 • 5 ______ Multiply numerators. Multiply denominators. 22 5 __ 2 5 __ 4 Simplify.

Find each product. Write the answer in simplest form. 1 5 __ 3 • 6 1 5 __ 3 • 6 1 5 __ 3 • (6 + ) 1 5 __ (3 • 6) + ( 3 • ) Use the Distributive Property. 3 1 __ 1 5 __ (3 • 6) + ( • ) 3 5 __ 18 + Multiply. 3 5 __ 18 Add.

Lesson Quizzes Standard Lesson Quiz Lesson Quiz for Student Response Systems

Lesson Quiz Multiply. Write each answer in simplest form. 1. 3 2. 1 1. 3 2. 1 Find each product. Write the answer in simplest form. 3. 2 • 1 4. 5 • 3 5. A nurse gave a patient 3 tablets of a medication. If each tablet contained grain of the medication, how much medication did the patient receive? 1 5 __ 5 8 __ 7 10 __ 5 7 __ 1 3 14 __ 2 • • 1 5 __ 1 4 __ 2 3 4 __ 1 5 __ 16 2 __ 1 20 __ 1 grain 7 40 __

Lesson Quiz for Student Response Systems 1. Multiply and identify the answer in simplest form. A. 1 C. 3 B. 2 D. 4

Lesson Quiz for Student Response Systems 2. Multiply and identify the answer in simplest form. A. C. B. D.

Lesson Quiz for Student Response Systems 3. Multiply and identify the answer in simplest form. A. C. B. D.

Lesson Quiz for Student Response Systems 4. Multiply and identify the answer in simplest form. A. 15 C. 17 B. 16 D. 18

Lesson Quiz for Student Response Systems 5. Rita used pounds of vegetables for cooking. If each pound of vegetables contains pound of proteins, how much protein is in the meal? A. C. B. D.