Find the sum , then check you answer.

1.

 

 (2 + 3) + 2 =

2.
 		 3 + (1 + 4) =

 

3.


4 + (5 + 4) =

 

4.


(4 + 7) + 3 =

 

5.


7 + (1 + 4) =

 

 

Show two ways to group using parentheses ( ). Find the sum.

8 + 1 + 5 = 

 

5 + 4 + 2 =

 

3 + 4 + 3 =

 

2 + 3 + 5 =

 

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                        Remember:
                                   Add the numbers in parentheses ( ) first.


 

  
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