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) 264 + 677 =

2) 666 + 589 =

3) 847 + 321 =

4) 620 + 174 =

5) 149 + 598 =

6) 718 + 848 =

7) 915 + 641 =

8) 123 + 960 =

9) 720 + 172 =

10) 543 + 719 =

11) 728 + 627 =

12) 177 + 811 =

13) 945 + 909 =

14) 566 + 728 =

15) 783 + 898 =

16) 995 + 626 =

17) 148 + 786 =

18) 352 + 275 =

19) 571 + 254 =

20) 421 + 522 =

21) 454 + 293 =

22) 524 + 988 =

23) 732 + 152 =

24) 101 + 550 =

25) 756 + 810 =

26) 825 + 532 =

27) 499 + 474 =

28) 454 + 106 =

29) 823 + 829 =

30) 847 + 478 =

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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.