| Properties | Mental Math to Multiply | Multiplying by 1-Digit Numbers |
|---|---|---|
|
What is identity property?
65 x 1 = 65
|
What is
21 210 2100
3 x 7
30 x 7 300 x 7 |
What is
63 x 8
|
|
What is zero property?
33 x 0 = 0
|
What is 3200
50 x 32 x 2
|
|
|
What is associative property?
(6 x 20) x 5 = 6 x (20 x 5)
|
What is 40,000
80 x 500
|
|
|
What is commutative property?
73 x 14 = 14 x 73
|
What is 0
600 x 40 x 0
|
|
|
What is commutative property?
1 X 90 = 90 X 1
|
What is 1,500
1 x 60 x 250
|
|
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