6th Grade Math Textbook, Fundamentals

Remember:You can write any integer aas

a fraction with a denominator of 1: aa 1.

Sometimes you can divide the numerator of one fraction and the

denominator of another by their GCF before multiplying.

Evaluate: abc, when a , b , and c.

()( )( )

simplest form

To multiply an integer and a positive or negative fraction,

first rename the integer as a fraction. Then multiply.

Divide 5 and 10 by their GCF, 5.

Divide 2 and 8 by their GCF, 2.

()( )()

()()( )

527

8310

11

42





 7

24

( 1 )( 1 )( 7 )

( 4 )( 3 )( 2 )

7

10

 2

3

5

8

7

10

 2

3

5

8

Lesson 5-8 for exercise sets. &KDSWHU 

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Multiply: (7)()

(7)()()( ) 7 





 2

7

1

1

10

21

10

( 7 )( 3 )

( 1 )( 10 )

3

10

7

1

3

10

3

10

(^1) Multiply: (8)()
(8)()()()  8 


  2
 8
1
()()
()( )
 85
116
1
2

1
2
5
2
 5
16
 8
1
 5
16
( 1 )( 5 )
( 1 )( 2 )
 5
(^216)
Find of 70.
()( )

 42
()( )
()()
370
51
14
1
3
5
3
5
( 3 )( 14 )
( 1 )( 1 )
70
1
3 Find of $5.00.
()() $5.00 
 1
1.25 0.25
So of $5.00 is $1.25.
5 1 1 4 1 4
1
4
5
4
5
1
1
4
1
Remember:^44
Ofmeans “multiply.”
Simplify each expression. Express the product in simplest form.

1. 
   

   • 2. () 3.()( ) 4. • 5. •

   
   


2. 
   

   (^24) () 7.30 • 8. • 13 9. of 50 10. of  30
   11.Evaluate xyz, when x , y , and z.
   Solve.
   12.At the mineral show, of the 35 minerals are unpolished gemstones.
   How many minerals are unpolished gemstones?
   13.Discuss and Write Why is it a good idea to simplify first before multiplying fractions?
   4
   5
    5
   6
    6
   7
   2
   7
   2
   21
   7
   8
    2
   3
    4
   5
    5
   6
    3
   8
    3
   8
    2
   8
   5
   6
   4
   5
   5
   8
   3
   8
   3
   8
   1
   2
   7
   8