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) 772 + 641 =

2) 116 + 870 =

3) 660 + 917 =

4) 721 + 606 =

5) 683 + 516 =

6) 799 + 565 =

7) 130 + 988 =

8) 327 + 454 =

9) 502 + 855 =

10) 889 + 489 =

11) 714 + 847 =

12) 676 + 427 =

13) 906 + 827 =

14) 328 + 447 =

15) 497 + 376 =

16) 245 + 443 =

17) 954 + 410 =

18) 146 + 713 =

19) 186 + 633 =

20) 749 + 433 =

21) 364 + 536 =

22) 488 + 307 =

23) 680 + 137 =

24) 569 + 905 =

25) 796 + 801 =

26) 868 + 162 =

27) 130 + 367 =

28) 308 + 649 =

29) 531 + 155 =

30) 448 + 119 =

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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.