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) 754 + 646 =

2) 807 + 777 =

3) 661 + 490 =

4) 585 + 908 =

5) 454 + 434 =

6) 695 + 259 =

7) 893 + 612 =

8) 344 + 882 =

9) 553 + 213 =

10) 459 + 158 =

11) 805 + 511 =

12) 337 + 330 =

13) 290 + 519 =

14) 745 + 574 =

15) 136 + 190 =

16) 496 + 955 =

17) 769 + 194 =

18) 618 + 516 =

19) 226 + 866 =

20) 651 + 393 =

21) 240 + 635 =

22) 340 + 588 =

23) 120 + 902 =

24) 270 + 223 =

25) 906 + 715 =

26) 647 + 664 =

27) 254 + 571 =

28) 514 + 405 =

29) 106 + 149 =

30) 713 + 820 =

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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.