6th Grade: Fraction Division

6th Grade: Module 3

Fraction Division Vocabulary

Review Vocabulary for Module 3

• Denominator: the bottom number of a fraction that tells how many equal parts are in the whole

• Numerator: the top number of a fraction that tells how many parts of a whole are being considered

Fraction Structure

Review Vocabulary for Module 3

• Dividend: the number to be divided in a division problem

• Divisor: the number you are dividing by in the division problem

• Quotient: the result when one number is divided by another

Fractions as division problems

• Divisor

• Dividend

Quotient in a division problem

Quotient in a fraction

Multiple Choice

 $\frac{2}{5}$  Which value is the numerator of this fraction? 

• 2

• 5

• neither 

Multiple Choice

 $\frac{7}{8}$  Which of these values is the denominator of this fraction? 

• 7

• 8

• neither 

Multiple Choice

 $\frac{3}{11}$  Which of these values is the divisor? 

• 3

• 11

• neither 

Multiple Choice

 $\frac{5}{13}$  Which of these values is the dividend? 

• 5

• 13

• neither 

Multiple Choice

 $\frac{12}{4}=3$ 

 Which of these values is the quotient? 

• 12

• 4

• 3

• none

Multiple Choice

 $20\ \div\ 5\ =\ 4$  
Which of these values is the quotient? 

• 20

• 5

• 4

• none

Multiple Choice

Which of these numbers is the quotient?

• 4

• 100

• 25

• none

Multiple Choice

 $20\ \div\ 5\ =\ 4$  
Which of these values is the quotient? 

• 20

• 5

• 4

• none

New Vocabulary for Module 3

• Reciprocal: one of two numbers whose product is 1

• Multiplicative inverse: one of two numbers whose product is 1

Reciprocal:

one of two numbers whose product is one

Multiplicative Inverse:

one of two numbers whose product is one

Multiplicative Inverse / Reciprocal

-Video-

Multiple Choice

What is the reciprocal of

 $\frac{5}{7}\ ?\$  

•  $\frac{5}{7}$  

•  $\frac{7}{5}$  

• 7

• 5

Multiple Choice

What is the multiplicative inverse of

 $\frac{2}{3}?\$  

•  $\frac{2}{3}$  

• 3

• 2

•  $\frac{3}{2}$  

Multiple Choice

What is the product if I multiply 2 times its multiplicative inverse?

• 2

• $\frac{1}{2}$

• 0

• 1

Multiple Choice

Challenge: What is the multiplicative inverse of 2?

• 2

• 1

• $\frac{1}{2}$

• $\frac{2}{1}$

Multiple Choice

What is the product if I multiple

 $\frac{1}{7}$   times its' reciprocal? 

• 1

•  $\frac{1}{7}$  

•  $\frac{7}{1}$  

• 7

Multiple Choice

What is the reciprocal of

 $\frac{1}{7}?$  

• 1

• 7

• 1.7

•  $\frac{1}{7}$