Identity and Commutative Properties

8 x 5 = 5 x 8

• Commutative Property of Addition

• Commutative Property of Multiplication

• Identity Property of Addition

• Identity Property of Multiplication

What property of addition takes a whole number and adds it with zero?

• Identity

• Commutative

2 + 5  = 5 +2

• Identity

• Commutative

23 + 0 = 23

• Identity

• Commutative

What property of addition can change order, but stay the same? Hint: looks like a mirror

• Identity

• Commutative

2 + 8 = 8 + 2

• Identity

• Commutative

125 + 0 = 125

• Identity

• Commutative

The _______________ property of addition states that any number plus zero equals the other number.

• identity

• commutative

Which expression is an example of the identity property of addition?

• 3 + 0 = 3

• 3 + 1 = 4 and 1 + 3 = 4

• 3 + 4 + 2 = 9 and 4 + 2 + 3 = 9

• 3 + 0 = 0

If I know that 2 + 7 = 9, then I also know that _______________ according to the commutative property of addition.

• 2 + 7 = 9

• 9 + 2 = 7

• 7 + 2 = 9

• 9 + 7 = 2