Property of Addition

(31 + 97) + 2 ___ 31 + (75 + 2)

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• 

(46 + 55) + 19 ___ (19 + 55) + 46

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• 

(9 + 6) + 8 ___ 9 + (6 +4)

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• 

Using the identity property of addition, add the following numbers: 0 + 5 =

• 0

• 5

• 10

Using the identity property of addition, add the following numbers: 7 + 0 =

• 0

• 1

• 7

Using the identity property of addition, add the following numbers: 0 + 13 =

• 13

• 1

• 3

Using the identity property of addition, add the following numbers: 0 + ? = 23

• 0

• 15

• 23

Using the identity property of addition, add the following numbers: ? + 0 = 47

• 4

• 47

• 0

Using the identity property of addition, add the following numbers: 0 + ? = 623

• 623

• 0

• 62

Using the identity property of addition, add the following numbers: 0 + 177 = ?

• 0

• 17

• 177