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) 656 + 347 =

2) 133 + 760 =

3) 734 + 967 =

4) 366 + 326 =

5) 135 + 831 =

6) 313 + 582 =

7) 538 + 225 =

8) 172 + 291 =

9) 241 + 700 =

10) 578 + 380 =

11) 391 + 770 =

12) 669 + 477 =

13) 128 + 454 =

14) 769 + 704 =

15) 285 + 510 =

16) 825 + 241 =

17) 768 + 910 =

18) 211 + 476 =

19) 876 + 163 =

20) 442 + 578 =

21) 566 + 189 =

22) 639 + 316 =

23) 328 + 952 =

24) 605 + 870 =

25) 394 + 376 =

26) 356 + 993 =

27) 465 + 161 =

28) 646 + 283 =

29) 991 + 299 =

30) 343 + 633 =

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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.