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) 301 + 267 =

2) 436 + 641 =

3) 506 + 959 =

4) 771 + 732 =

5) 643 + 444 =

6) 314 + 189 =

7) 216 + 924 =

8) 779 + 738 =

9) 643 + 528 =

10) 593 + 132 =

11) 886 + 558 =

12) 759 + 794 =

13) 815 + 564 =

14) 429 + 840 =

15) 878 + 531 =

16) 683 + 471 =

17) 730 + 850 =

18) 824 + 564 =

19) 810 + 893 =

20) 138 + 286 =

21) 185 + 349 =

22) 316 + 643 =

23) 606 + 657 =

24) 690 + 889 =

25) 858 + 946 =

26) 158 + 435 =

27) 118 + 226 =

28) 771 + 196 =

29) 144 + 125 =

30) 770 + 296 =

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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.