6th Grade Math Textbook, Progress

(Marvins-Underground-K-12) #1

Multiply Fractions and Whole Numbers


8-2


4 
2
3 

4
1 

2
3 

4 
2
3 

4
1




2
 3

4 ^23 ^83  2 ^23  s 2 ^23 

^31  41 ^34 


3 ^14 ^34 

Remember: “of” means “times.”

1

Nancy uses ^23 ft of silk to make a bow for a package.
How much silk is needed for 4 bows?

To find the amount of silk needed, s,
multiply: 4^23 fts.

To multiply a fraction and a whole number:
 Rename the whole number
as a fraction with a
denominator of 1.
 Multiply the numerators. Then
multiply the denominators.
 Write the product in simplest form.

Nancy needs 2
2
3 ft of silk.

Study these examples.
Multiply: 3^14  Find: ^35 of $9.50

1.90
3 
1
4 

3
1 

1
4  

3
5 $9.50 

  5.70

^35 $9.50$5.70

Remember: Rename a whole number as a fraction with
a denominator of 1 before you multiply.

5.70
1

3 1.90
1  1

9.50
1

3
5

1 2 3 4

1
3

2
3

4
3

12
3

6
3

9
3

3
3

0

0 5
3

7
3

8
3

10
3

11
3

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