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) 198 + 679 =

2) 506 + 468 =

3) 318 + 405 =

4) 937 + 130 =

5) 520 + 503 =

6) 115 + 277 =

7) 158 + 828 =

8) 775 + 666 =

9) 893 + 189 =

10) 977 + 930 =

11) 289 + 819 =

12) 290 + 595 =

13) 983 + 393 =

14) 461 + 104 =

15) 964 + 515 =

16) 358 + 668 =

17) 851 + 676 =

18) 527 + 768 =

19) 271 + 183 =

20) 787 + 202 =

21) 364 + 492 =

22) 720 + 732 =

23) 735 + 675 =

24) 162 + 773 =

25) 153 + 514 =

26) 966 + 515 =

27) 391 + 402 =

28) 377 + 752 =

29) 427 + 736 =

30) 260 + 271 =

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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.