Find the value of n. Use the properties of multiplication.
- n 2. n 3. n
- n 0 5. 0 n 6. n
- 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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