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) 641 + 489 =

2) 638 + 636 =

3) 860 + 604 =

4) 665 + 810 =

5) 560 + 885 =

6) 854 + 390 =

7) 726 + 882 =

8) 107 + 811 =

9) 745 + 995 =

10) 671 + 789 =

11) 661 + 692 =

12) 783 + 288 =

13) 995 + 593 =

14) 683 + 757 =

15) 873 + 706 =

16) 722 + 127 =

17) 274 + 904 =

18) 367 + 904 =

19) 984 + 280 =

20) 359 + 443 =

21) 973 + 319 =

22) 742 + 807 =

23) 343 + 797 =

24) 768 + 976 =

25) 556 + 875 =

26) 396 + 990 =

27) 957 + 357 =

28) 213 + 819 =

29) 264 + 291 =

30) 258 + 506 =

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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.