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) 905 + 285 =

2) 903 + 354 =

3) 634 + 516 =

4) 444 + 536 =

5) 652 + 346 =

6) 581 + 885 =

7) 782 + 630 =

8) 107 + 565 =

9) 246 + 713 =

10) 924 + 385 =

11) 991 + 454 =

12) 291 + 746 =

13) 354 + 867 =

14) 801 + 812 =

15) 667 + 110 =

16) 567 + 944 =

17) 376 + 687 =

18) 859 + 753 =

19) 676 + 647 =

20) 484 + 456 =

21) 996 + 504 =

22) 301 + 560 =

23) 275 + 900 =

24) 652 + 538 =

25) 772 + 991 =

26) 815 + 649 =

27) 217 + 669 =

28) 162 + 927 =

29) 461 + 215 =

30) 246 + 391 =

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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.