Special Properties of Addition and Multiplication

12 + 7 = 7 + 12 
What property is this? 

• Commutative Property of Addition

• Commutative Property of Multiplication

• Distributive Property

• Identity Property of Addition

Identity Property of Multiplication

• 5 x 0 = 0

• 8 x 3 = 3 x 8

• 12 x 1 = 12

• 8 + 0 = 8

Commutative Property of Multiplication

• 8 + 2 = 2 + 8

• 7 x 1 = 7

• 7 + 0 = 7

• 7 x 6 = 6 x 7

8 x 5 = 5 x 8

• Commutative Property of Addition

• Commutative Property of Multiplication

• Identity Property of Addition

• Identity Property of Multiplication

What property does this show?
4 x 9 = 9 x 4

• Identity Property of Multiplication

• Associative Property of Multiplication

• Commutative Property of Multiplication

• Distributive Property

5 x (7 + 9) = (5 x 7) + (5 x 9)

• Distributive Property

• Associative Property

• Commutative Property

• Multiplying Property

98 + 0 = 98
The sum of any number and zero is itself.

• Identity Property of Multiplication

• Commutative Property of Addition

• Associative Property of Addition

• Identity Property of Addition

The Zero Property of Multiplication states that any number multiplied by zero is equal to zero.  
Which expression below is an example of this property?

• 3x1=3

• 3x0=0

• 3+1=4

• 3+0=3

Which is an example of the commutative property of multiplication?

• 4 x (1 x 2) = (4 x 1) x 2

• 2 x 2 = 4 x 1

• 2(3) = 2(4)

• 3 x 4 = 4 x 3

The Identity property tells us that any number multiplied by 1 is that number. Which expression below is an example of this property?

• 2x0=0

• 2x2=4

• 2+1=3

• 2x1=2