do now multiply. course 2 3-11 dividing fractions and mixed numbers 1. 7979 · 3636 2. 9898 · 6565...

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Do Now Multiply. Course 2 3-11 Dividing Fractions and Mixed Numbers 1. 7 9 · 3 6 2. 9 8 · 6 5 3. 1 5 2 · 7 4. 2 1 2 · 1 1 4 7 18 27 20 7 20 or 1 2 77 5 5 or 15 25 8 8 or 3 1 Hwk: p 34 odd

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Do NowMultiply.

Course 2

3-11 Dividing Fractions and Mixed Numbers

1. 7 9

· 36

2. 98

· 65

3. 15

2 ·7

4. 212

· 114

7182720

720

or 1

2775 5

or 15

258 8

or 3 1

Hwk: p 34 odd

EQ: How do I divide fractions and mixed numbers?

Course 2

3-11 Dividing Fractions and Mixed Numbers

M7N1.c Add, subtract, multiply, and divide positive and negative rational numbers; M7N1.d Solve problems usingrational numbers

Vocabulary

reciprocal

Insert Lesson Title Here

Course 2

3-11 Dividing Fractions and Mixed Numbers

Divide. Write each answer in simplest form.

A. 37 ÷ 2

5

=1514

or 1141

B. 38

÷ 12

= 132

Course 2

3-11 Dividing Fractions and Mixed Numbers

Divide. Write each answer in simplest form.

A. 35 ÷ 1

2

=65

or 151

B. 34

÷ 3

= 14

Course 2

3-11 Dividing Fractions and Mixed Numbers

Divide. Write each answer in simplest form.

Insert Lesson Title Here

Course 2

3-11 Dividing Fractions and Mixed Numbers

A. 523

÷ 114

= 6815

or 4 815

B. 34

÷ 212

= 310

Divide. Write the answer in simplest form.

Course 2

3-11 Dividing Fractions and Mixed Numbers

C. 8 23

÷ 1327

= 18 1

or 18

Divide. Write each answer in simplest form.

Insert Lesson Title Here

Course 2

3-11 Dividing Fractions and Mixed Numbers

A. 323

÷ 112

= 22 9

or 2 4 9

B. 35

÷ 125

= 3 7

Divide. Write the answer in simplest form.

Course 2

3-11 Dividing Fractions and Mixed Numbers

C. 7 15

÷ 18 5

= 21

or 2

Additional Example 3: Social Studies Application

Course 2

3-11 Dividing Fractions and Mixed Numbers

The life span of a golden dollar coin is 30 years, while

paper currency lasts an average of 1 years. How many12

times longer will the golden dollar stay in circulation?

30 ÷ 1 12

= 30 1

÷ 32

= 20 1

or 20

The golden dollar will stay in circulation about20 times longer than paper currency.

Course 2

3-11 Dividing Fractions and Mixed Numbers

The average life of a queen ant is approximately 3 years.The life span of a worker ant is year. How many 3

7times longer will the queen ant live?

3 ÷ 37

= 31

÷37

= 71

or 7

The queen ant will live 7 times longer than the worker ant.

QUIZ

Quiz

10

Insert Lesson Title Here

Course 2

3-11 Dividing Fractions and Mixed Numbers

Divide. Write each answer in simplest form.

1.

2.

8 ÷ 45

59

÷ 18

3. 35

÷ 6

5. There are 5 14

yards of silk in a roll. If it takes 34

of a yard to make one designer scarf, how many scarves can be made from the roll?

7

4 49

40 9

or

110

34. 212

÷ 17

3544

Open textbook to page 193, do CRCT prep 51-60Go to page 199, do CRCT prep 59-67Go to page 203, do CRCT prep 51-61Turn in work – make sure you show all your workand have your name on your paper