Addition Properties

4 + 7 = 7 + 4

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3

8 + 0 = 8

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3

6 + 5 = 5 + 6

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3

(9 + 4 ) + 5 = 9 + (4 + 5)

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3

8 + (2 +1) = (8 + 2) + 1

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3

2 + 3 = 3 + 2

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3

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

• identity
• commutative
• associative

Tags

CCSS.1.OA.B.3

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

Tags

CCSS.1.OA.B.3

If I follow the identity property of addition, then I know that 18 + 0 = ?.

• 0
• 18
• 1
• 180

Tags

CCSS.1.OA.B.3

What property does this show?

• commutative
• identity
• associative

Tags

CCSS.1.OA.B.3