6th Grade Math Textbook, Progress

(Marvins-Underground-K-12) #1
Find the value of n. Use the properties of multiplication.


  1.   n 2. n 3. n 

  2. n 0 5.  0 n 6. n 

  3. 41 ( 51 ^16 )( 41 n)^16 8. n(4 31 )( 21 4)( 21  31 )


7
10

2
3

7
10

1
3

1
3

1
2

5
6

5
6

3
8

3
8

3
4

3
4

1
5

Update your skills. See page 8.

Properties of Multiplication


8-3


The properties of multiplication can help you
multiply with fractions.

Commutative Property: a bb a Associative Property: (a b)ca (b c)

^25 ^56 ^56 ^25  (^13 ^12 ) 14 ^13 (^12  14 )
1 1 1 1 7 7
^25 ^56 ^56 ^25  ^16 ^114 ^13 ^124 
1 3 3 1 3 1
^25 ^13 ^13  ^73 ^73 

Identity Property: a  1  1 aa Zero Property: a  0  0 a 0

^47  1 ^47  ^34  0  0

1 
4
7 

4
7 ^0 

3
4 ^0

Distributive Property of Multiplication Over Addition: a (bc)(a b)(a c)

(  )(  )(  )
3 2 1
 (  )(  )

 

(^35)  (^35)
1
5
2
5
3
5
2
5
1
2
4
5
1
2
6
5
1
2
2
5
1
2
4
5
1
2
2
5
4
5
1
2
Think
“order”
Think
“grouping”
Think
“same”
Think
“0 product”
(^111)
Think
“same factor across addends”
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