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) 228 + 586 =

2) 988 + 988 =

3) 106 + 691 =

4) 829 + 500 =

5) 268 + 204 =

6) 791 + 511 =

7) 516 + 220 =

8) 597 + 407 =

9) 333 + 685 =

10) 881 + 126 =

11) 648 + 657 =

12) 808 + 511 =

13) 629 + 479 =

14) 830 + 374 =

15) 635 + 765 =

16) 394 + 396 =

17) 131 + 378 =

18) 564 + 597 =

19) 392 + 264 =

20) 300 + 683 =

21) 429 + 386 =

22) 460 + 985 =

23) 280 + 432 =

24) 211 + 859 =

25) 664 + 163 =

26) 223 + 495 =

27) 794 + 956 =

28) 358 + 876 =

29) 455 + 686 =

30) 848 + 702 =

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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.