Math 2

the grouping of addends can be changed and the sum will be the same

• Associative (Grouping) Property of Addition

• Commutative (Order) Property of Addition

• Identity Zero Property of Addition

numbers can be added in any order and the sum will be the same

• Associative (Grouping) Property of Addition

• Commutative (Order) Property of Addition

• Identity Zero Property of Addition

the sum of any number and zero is that same number

• Associative (Grouping) Property of Addition

• Commutative (Order) Property of Addition

• Identity Zero Property of Addition

What is the property of addition?

4 + (15 + 26) = (4 + 15) + 26

• Associative (Grouping) Property of Addition

• Commutative (Order) Property of Addition

• Identity Zero Property of Addition

What is the property of addition?

18 + 0 = 18

• Associative (Grouping) Property of Addition

• Commutative (Order) Property of Addition

• Identity Zero Property of Addition

What is the property of addition?

42 + 23 = 23 + 42

• Associative (Grouping) Property of Addition

• Commutative (Order) Property of Addition

• Identity Zero Property of Addition

What is the missing number?

(22 + 32) + 25 = _____ + (22 + 32)

• 46

• 25

• 9

• 15

What is the missing number?

(_____ + 0) + 14 = 7 + 14

• 6

• 82

• 7

What is the missing number?

(12 + 2) + 20 = _____ + 20

• 876

• 14

• 1847

a number is even if it can be divided into 2 equal groups. For example, 4 is an even number because it can be divided into 2 equal groups (2+2).

• True

• False