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) 651 + 910 =

2) 974 + 134 =

3) 298 + 313 =

4) 267 + 643 =

5) 398 + 976 =

6) 370 + 264 =

7) 726 + 952 =

8) 406 + 910 =

9) 927 + 567 =

10) 781 + 439 =

11) 307 + 716 =

12) 287 + 133 =

13) 322 + 375 =

14) 919 + 756 =

15) 684 + 388 =

16) 555 + 769 =

17) 710 + 135 =

18) 449 + 179 =

19) 864 + 294 =

20) 214 + 617 =

21) 199 + 595 =

22) 584 + 307 =

23) 154 + 264 =

24) 907 + 424 =

25) 401 + 161 =

26) 468 + 460 =

27) 112 + 542 =

28) 888 + 811 =

29) 451 + 459 =

30) 322 + 601 =

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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.