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) 438 + 790 =

2) 246 + 445 =

3) 722 + 451 =

4) 402 + 466 =

5) 422 + 728 =

6) 180 + 498 =

7) 521 + 958 =

8) 814 + 173 =

9) 288 + 542 =

10) 695 + 263 =

11) 749 + 740 =

12) 499 + 512 =

13) 618 + 809 =

14) 272 + 112 =

15) 641 + 122 =

16) 359 + 903 =

17) 346 + 351 =

18) 367 + 735 =

19) 834 + 187 =

20) 311 + 849 =

21) 671 + 903 =

22) 825 + 661 =

23) 242 + 988 =

24) 971 + 663 =

25) 791 + 483 =

26) 102 + 116 =

27) 320 + 572 =

28) 308 + 284 =

29) 229 + 331 =

30) 390 + 909 =

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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.