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) 498 + 910 =

2) 328 + 114 =

3) 273 + 231 =

4) 220 + 802 =

5) 383 + 608 =

6) 504 + 510 =

7) 794 + 821 =

8) 841 + 331 =

9) 339 + 689 =

10) 217 + 573 =

11) 991 + 899 =

12) 472 + 136 =

13) 992 + 523 =

14) 390 + 929 =

15) 701 + 152 =

16) 233 + 956 =

17) 256 + 279 =

18) 504 + 394 =

19) 640 + 630 =

20) 167 + 203 =

21) 820 + 381 =

22) 425 + 778 =

23) 666 + 656 =

24) 381 + 557 =

25) 700 + 867 =

26) 785 + 613 =

27) 471 + 844 =

28) 283 + 476 =

29) 219 + 765 =

30) 703 + 432 =

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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.