Multiply by 2
2 x 10 =
20
5 x 4 =
20
10 x 3 =
30
(4 x 3) x 7 = 4 x (3 x 7)
Associative Property of Multiplication
What are the numbers that are multiplied together to get a product called?
Factors
4 x 2 =
8
1 x 5 =
5
6 x 10 =
60
7 x 8 = 8 x 7
Commutative Property of Multiplication
What is the commutative property?
Changing the order of the factors does not change the product.
7 x 2 =
14
5 x 3 =
15
4 x 10 =
40
5 x 1 = 5
Identity Property of Multiplication
What is the answer to a multiplication problem called?
The product
2 x 9 =
18
6 x 5 =
30
10 x 9 =
90
8 x 7 = (8 x 2) + (8 x 5)
Distributive Property of Multiplication
What is the associative property of multiplication?
The product is the same regardless of the grouping. Example: (4 x 6) x 2 = 4 x (6 x 2)
2 x 8 =
16
5 x 8 =
40
7 x 10 =
70
457 x 0 = 0
Zero Property of Multiplication
What is the difference between an expression and an equation?
An equation has an equal sign, but an expression does not.