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) 502 + 942 =

2) 636 + 686 =

3) 311 + 189 =

4) 600 + 698 =

5) 124 + 413 =

6) 379 + 638 =

7) 849 + 208 =

8) 233 + 155 =

9) 691 + 991 =

10) 794 + 226 =

11) 581 + 767 =

12) 572 + 206 =

13) 999 + 594 =

14) 465 + 215 =

15) 524 + 336 =

16) 662 + 646 =

17) 759 + 644 =

18) 634 + 996 =

19) 256 + 774 =

20) 684 + 248 =

21) 844 + 654 =

22) 271 + 800 =

23) 891 + 522 =

24) 597 + 377 =

25) 700 + 320 =

26) 644 + 565 =

27) 859 + 815 =

28) 866 + 857 =

29) 759 + 281 =

30) 935 + 133 =

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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.