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) 789 + 813 =

2) 406 + 328 =

3) 297 + 735 =

4) 797 + 586 =

5) 420 + 592 =

6) 181 + 182 =

7) 137 + 669 =

8) 586 + 123 =

9) 108 + 441 =

10) 506 + 945 =

11) 897 + 436 =

12) 963 + 838 =

13) 555 + 673 =

14) 932 + 824 =

15) 437 + 530 =

16) 241 + 869 =

17) 395 + 820 =

18) 946 + 644 =

19) 985 + 693 =

20) 736 + 882 =

21) 651 + 200 =

22) 341 + 230 =

23) 668 + 530 =

24) 344 + 477 =

25) 126 + 835 =

26) 701 + 959 =

27) 734 + 475 =

28) 264 + 724 =

29) 744 + 824 =

30) 677 + 212 =

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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.