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) 126 + 297 =

2) 245 + 422 =

3) 684 + 161 =

4) 575 + 109 =

5) 713 + 266 =

6) 562 + 361 =

7) 805 + 830 =

8) 222 + 426 =

9) 698 + 898 =

10) 219 + 756 =

11) 161 + 135 =

12) 315 + 194 =

13) 483 + 267 =

14) 363 + 920 =

15) 402 + 147 =

16) 849 + 220 =

17) 497 + 138 =

18) 119 + 931 =

19) 622 + 797 =

20) 238 + 594 =

21) 351 + 168 =

22) 683 + 749 =

23) 682 + 289 =

24) 743 + 603 =

25) 656 + 210 =

26) 633 + 847 =

27) 723 + 974 =

28) 748 + 218 =

29) 884 + 823 =

30) 590 + 616 =

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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.