Addition Properties

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

• identity
• commutative
• associative

The _______________ property of addition states that the order you add two numbers doesn't change the answer. (turn-around/flip fact)

• identity
• commutative
• associative

Tags

CCSS.1.OA.B.3

The _______________ property of addition states that the order you add three or more  numbers doesn't change the sum (answer).

• identity
• commutative
• associative

Tags

CCSS.1.OA.B.3

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

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

• 3 + 0 = 3
• 3 + 1 = 4 and 1 + 3 = 4
• 3 + 4 + 2 = 9 and 4 + 2 + 3 = 9
• 3 + 1 = 4 and 3 + 4 = 1

Tags

CCSS.1.OA.B.3

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

• 3 + 0 = 3
• 3 + 1 = 4 and 1 + 3 = 4
• 3 + 4 + 2 = 9 and 4 + 2 + 3 = 9
• 3 + 4 + 2 = 9 and 2 + 3 + 9 = 4

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 know that 2 + 7 + 3 = 12, then I also know that _______________ according to the associative property of addition.

• 3 + 7 + 2 = 12
• 9 + 2 + 12 = 7
• 7 + 2 + 12 = 9
• 7 + 2 + 3 = 12

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.C.6

CCSS.1.OA.D.7