1.  Which equation shows the associative property of addition? 

Hint
Halfnhalf Clue
 

2.  Which equation shows the identity property of addition? 
 Halfnhalf Clue
 

3.  Which equation shows the associative property of addition? 
 Halfnhalf Clue
 

4.  What is the missing number? 123 + (456 + 789) = ( + 456) + 789 
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5.  Which property of addition is represented by the following equation? 3 + 0 = 3 
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6.  Which property of addition is represented by the following equation? 7 + 2 = 2 + 7 
 Halfnhalf Clue
 

7.  Which equation shows the commutative property of addition? 
 Halfnhalf Clue
 
