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) 523 + 349 =

2) 596 + 217 =

3) 230 + 480 =

4) 434 + 969 =

5) 847 + 855 =

6) 251 + 442 =

7) 198 + 292 =

8) 778 + 991 =

9) 589 + 418 =

10) 972 + 343 =

11) 820 + 792 =

12) 786 + 275 =

13) 140 + 704 =

14) 247 + 399 =

15) 960 + 976 =

16) 763 + 307 =

17) 851 + 129 =

18) 853 + 369 =

19) 104 + 333 =

20) 228 + 361 =

21) 340 + 868 =

22) 890 + 476 =

23) 852 + 275 =

24) 949 + 985 =

25) 571 + 453 =

26) 488 + 111 =

27) 488 + 500 =

28) 139 + 713 =

29) 886 + 413 =

30) 567 + 199 =

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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.