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) 486 + 657 =

2) 870 + 700 =

3) 774 + 319 =

4) 940 + 139 =

5) 136 + 871 =

6) 889 + 179 =

7) 938 + 364 =

8) 630 + 825 =

9) 484 + 984 =

10) 506 + 225 =

11) 289 + 612 =

12) 712 + 834 =

13) 858 + 766 =

14) 242 + 933 =

15) 408 + 722 =

16) 581 + 296 =

17) 541 + 209 =

18) 408 + 866 =

19) 586 + 731 =

20) 844 + 195 =

21) 497 + 254 =

22) 578 + 712 =

23) 308 + 840 =

24) 338 + 286 =

25) 266 + 433 =

26) 762 + 163 =

27) 265 + 154 =

28) 704 + 812 =

29) 961 + 180 =

30) 467 + 477 =

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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.