Whole Number Addition Level 10
Add hundreds, carry to the tens and hundreds and thousands.

1)
     
  488
+ 777
2)
     
  973
+ 449
3)
     
  699
+ 575
4)
     
  959
+ 888
5)
     
  238
+ 763
6)
     
  649
+ 489
7)
     
  468
+ 792
8)
     
  763
+ 579
9)
     
  955
+ 278
10)
     
  945
+ 595
11)
     
  989
+ 644
12)
     
  539
+ 492
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