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) 577 + 140 =

2) 641 + 803 =

3) 774 + 631 =

4) 926 + 457 =

5) 202 + 897 =

6) 384 + 268 =

7) 628 + 905 =

8) 813 + 706 =

9) 142 + 501 =

10) 576 + 482 =

11) 320 + 409 =

12) 691 + 226 =

13) 389 + 979 =

14) 637 + 347 =

15) 448 + 918 =

16) 848 + 877 =

17) 228 + 603 =

18) 798 + 505 =

19) 831 + 655 =

20) 883 + 844 =

21) 567 + 197 =

22) 658 + 966 =

23) 918 + 188 =

24) 900 + 109 =

25) 434 + 347 =

26) 249 + 854 =

27) 204 + 496 =

28) 638 + 380 =

29) 927 + 903 =

30) 275 + 593 =

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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.