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) 258 + 394 =

2) 587 + 820 =

3) 409 + 788 =

4) 901 + 101 =

5) 369 + 741 =

6) 971 + 278 =

7) 784 + 182 =

8) 252 + 492 =

9) 517 + 910 =

10) 162 + 407 =

11) 304 + 725 =

12) 267 + 365 =

13) 599 + 675 =

14) 980 + 471 =

15) 754 + 267 =

16) 204 + 269 =

17) 187 + 784 =

18) 313 + 790 =

19) 348 + 739 =

20) 232 + 108 =

21) 897 + 280 =

22) 106 + 825 =

23) 738 + 663 =

24) 895 + 192 =

25) 131 + 220 =

26) 212 + 743 =

27) 769 + 727 =

28) 647 + 437 =

29) 583 + 624 =

30) 964 + 367 =

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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.