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) 486 + 826 =

2) 379 + 512 =

3) 159 + 635 =

4) 539 + 979 =

5) 773 + 615 =

6) 240 + 725 =

7) 932 + 706 =

8) 704 + 249 =

9) 183 + 508 =

10) 593 + 634 =

11) 113 + 490 =

12) 498 + 567 =

13) 559 + 575 =

14) 274 + 264 =

15) 559 + 422 =

16) 858 + 961 =

17) 824 + 879 =

18) 811 + 593 =

19) 682 + 500 =

20) 741 + 663 =

21) 167 + 707 =

22) 775 + 747 =

23) 900 + 456 =

24) 924 + 562 =

25) 468 + 647 =

26) 178 + 790 =

27) 738 + 771 =

28) 887 + 223 =

29) 226 + 490 =

30) 422 + 840 =

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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.