Advanced 3-Digit Addition – Free Math Exercises

Ready for big numbers? Our 3-digit addition worksheets strengthen mental math and problem-solving. Great for students aiming for excellence!

1) 827 + 849 =

2) 646 + 121 =

3) 150 + 229 =

4) 473 + 402 =

5) 699 + 109 =

6) 539 + 849 =

7) 534 + 560 =

8) 108 + 809 =

9) 987 + 162 =

10) 403 + 648 =

11) 445 + 574 =

12) 808 + 254 =

13) 588 + 133 =

14) 497 + 609 =

15) 142 + 511 =

16) 318 + 706 =

17) 304 + 737 =

18) 337 + 765 =

19) 338 + 689 =

20) 289 + 990 =

21) 683 + 778 =

22) 927 + 963 =

23) 767 + 105 =

24) 137 + 492 =

25) 458 + 407 =

26) 336 + 600 =

27) 571 + 838 =

28) 863 + 354 =

29) 216 + 423 =

30) 339 + 234 =

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Master Addition – Free Math Practice Worksheets & Exercises

All Advanced 3-Digit Addition – Free Math Exercises and worksheets are completely free to use and reuse. These resources are designed to enhance math skills and mastery of Advanced 3-Digit Addition – Free Math Exercises concepts. Perfect for students, teachers, and parents, these free worksheets support effective learning and continuous practice in mathematics.