ANSWER: 309
Remember, the problem 30 + 279 = ? can be written like this to make it easier to solve:
30
Addends
+ 279
309
Sum
Now, try these addition problems to test your addition skills:
(1) 2,175 + 24 =__________________________________.
(2) 29,721 + 88 + 224 =____________________________.
(3) 856 + 409 + 735 =_____________________________.
(4) 74,126 + 1,001 + 60 =__________________________.
(5) 34 + 72,100 + 8,169 =__________________________.
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