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) 222 + 332 =

2) 488 + 105 =

3) 129 + 166 =

4) 408 + 909 =

5) 169 + 767 =

6) 538 + 916 =

7) 661 + 545 =

8) 731 + 613 =

9) 695 + 849 =

10) 244 + 502 =

11) 830 + 715 =

12) 982 + 677 =

13) 698 + 550 =

14) 751 + 172 =

15) 406 + 861 =

16) 932 + 460 =

17) 449 + 294 =

18) 416 + 458 =

19) 263 + 845 =

20) 456 + 300 =

21) 106 + 304 =

22) 535 + 205 =

23) 362 + 113 =

24) 681 + 632 =

25) 494 + 297 =

26) 346 + 383 =

27) 922 + 230 =

28) 426 + 243 =

29) 455 + 584 =

30) 262 + 957 =

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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.