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) 474 + 679 =

2) 430 + 376 =

3) 282 + 679 =

4) 327 + 774 =

5) 342 + 234 =

6) 332 + 873 =

7) 928 + 766 =

8) 220 + 956 =

9) 144 + 917 =

10) 293 + 598 =

11) 108 + 912 =

12) 152 + 395 =

13) 968 + 159 =

14) 484 + 787 =

15) 920 + 494 =

16) 986 + 225 =

17) 986 + 599 =

18) 722 + 214 =

19) 909 + 491 =

20) 915 + 746 =

21) 326 + 549 =

22) 220 + 199 =

23) 417 + 847 =

24) 302 + 467 =

25) 634 + 204 =

26) 557 + 429 =

27) 556 + 496 =

28) 797 + 768 =

29) 577 + 645 =

30) 903 + 242 =

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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.