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) 970 + 841 =

2) 130 + 674 =

3) 394 + 158 =

4) 270 + 268 =

5) 221 + 168 =

6) 112 + 281 =

7) 250 + 392 =

8) 266 + 308 =

9) 950 + 776 =

10) 993 + 815 =

11) 950 + 431 =

12) 288 + 664 =

13) 439 + 938 =

14) 483 + 331 =

15) 408 + 952 =

16) 172 + 418 =

17) 696 + 721 =

18) 981 + 106 =

19) 987 + 909 =

20) 173 + 457 =

21) 975 + 288 =

22) 629 + 342 =

23) 631 + 526 =

24) 724 + 594 =

25) 416 + 339 =

26) 778 + 852 =

27) 261 + 866 =

28) 789 + 484 =

29) 904 + 245 =

30) 807 + 583 =

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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.