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) 914 + 233 =

2) 383 + 860 =

3) 103 + 604 =

4) 638 + 299 =

5) 999 + 987 =

6) 816 + 271 =

7) 437 + 106 =

8) 729 + 400 =

9) 143 + 603 =

10) 430 + 983 =

11) 587 + 756 =

12) 461 + 703 =

13) 328 + 488 =

14) 789 + 492 =

15) 533 + 966 =

16) 647 + 797 =

17) 690 + 504 =

18) 239 + 343 =

19) 292 + 146 =

20) 412 + 562 =

21) 100 + 551 =

22) 480 + 521 =

23) 840 + 929 =

24) 291 + 693 =

25) 618 + 538 =

26) 958 + 923 =

27) 393 + 461 =

28) 577 + 331 =

29) 637 + 580 =

30) 885 + 256 =

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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.