Properties of Addition

Which property of Addition states that the order of Addends does not affect the sum?

• Associative Property

• Commutative Property

• Identity Property

What is the missing number in the number sentence?

23 + 17 = ____ + 23

• 17

• 23

• 30

• 40

Which addition sentence shows Associative Property of Addition?

• 1 + 234 = 235

• 95 + 15 = 15 =95

• 43 + (19 +21) = (43 +19) + 21

• 726 + 0 = 726

What is the identity element of Addition?

• 0

• 1

• 2

• 3

What Property of Addition is shown in the number sentence below?

0 + 234 = 234

• Associative Property

• Commutative Property

• Distributive Property

• Identity Property

4 521 + ____ = 4521

(38 + 9) + ___ = 38 + ( 9 + 11)

724 + 0 = ____

What Property of Addition is shown?

• Associative Property

• Commutative property

• Identity Property

(27 + 13) + 15 = ____ + (13 + 15)