Properties of Addition and Subtraction

2 + 3 = 3 + 2

• commutative

• identity

• associative

(3 + 8) + 4 = 3 + (8 + 4)

• commutative

• identity

• associative

6 + 0 = 6

• commutative

• identity

• associative

Which of the following shows the identity property of addition?

• 8 + 2 = 2 + 8

• (8 + 2) + 1 = 8 + (2 + 1)

• 8 + 0 = 8

• 8 + 2 = 6 + 4

Which of the following shows the associative property of addition?

• 8 + 2 = 2 + 8

• (8 + 2) + 1 = 8 + (2 + 1)

• 8 + 0 = 8

• 8 + 2 = 6 + 4

Which property is shown: 5 + 4 = 4 + 5

• Commutative

• Associative

• Identity

• This is not a property.

What number fills in the blank?
24 + ____ = 24

• 24

• 2

• 0

Taking away smaller number from a bigger number is called as _____________

• Subtraction

• Addition

When a number is subtracted from itself, the difference is always

• 0

• 1

• number itself

If 0 is added to a number, the sum will be _______________

• 0

• Number itself