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) 178 + 702 =

2) 206 + 408 =

3) 782 + 840 =

4) 771 + 726 =

5) 301 + 585 =

6) 642 + 228 =

7) 167 + 656 =

8) 415 + 380 =

9) 229 + 104 =

10) 774 + 509 =

11) 524 + 673 =

12) 642 + 529 =

13) 858 + 289 =

14) 692 + 817 =

15) 395 + 394 =

16) 996 + 593 =

17) 842 + 197 =

18) 477 + 602 =

19) 670 + 200 =

20) 721 + 467 =

21) 564 + 787 =

22) 872 + 380 =

23) 454 + 191 =

24) 640 + 779 =

25) 525 + 619 =

26) 390 + 155 =

27) 329 + 821 =

28) 449 + 327 =

29) 657 + 189 =

30) 677 + 839 =

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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.