Properties
You can use the Zero property to multiply.
What is the product of
21 x 0?
0
2 x 1 =
2
5 x 1 =
5
9 x 0 =
0
10 x 1 =
10
The Identity Property says when you multiply by 1, the other factor keeps its identity.
What is 47 X 1?
47
2 x 4 =
8
5 X 4 =
20
9 x 2 =
18
10 x 7 =
70
The cummutative Property says you can flip flop the factors and still get the same product.
Write the equation for 3 X 5 using the commutative property and give its product.
5X3=15
2 x 7 =
14
5 x 8 =
40
9 x 4 =
36
10 x 10 =
100
Which Property goes with this equation?
0 X 222 = 0
Zero Property
2 x 9 =
18
5 x 7 =
35
9 x 9 =
81
11 x 10 =
110
Which property goes with this equation?
3 X 6 = 18
6 x 3 = 18
Commutative Property
12 x 2 =
24
12 x 5 =
60
11 x 9 =
99
10 x 12 =
120