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) 805 + 856 =

2) 157 + 767 =

3) 821 + 780 =

4) 906 + 308 =

5) 121 + 120 =

6) 115 + 857 =

7) 469 + 816 =

8) 700 + 559 =

9) 632 + 182 =

10) 871 + 541 =

11) 829 + 531 =

12) 287 + 418 =

13) 734 + 906 =

14) 255 + 935 =

15) 962 + 781 =

16) 286 + 567 =

17) 638 + 228 =

18) 906 + 134 =

19) 269 + 749 =

20) 872 + 585 =

21) 458 + 682 =

22) 158 + 788 =

23) 339 + 458 =

24) 830 + 760 =

25) 984 + 350 =

26) 364 + 635 =

27) 832 + 367 =

28) 812 + 302 =

29) 632 + 970 =

30) 567 + 317 =

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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.