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) 560 + 836 =

2) 270 + 780 =

3) 266 + 563 =

4) 379 + 468 =

5) 640 + 525 =

6) 118 + 236 =

7) 686 + 505 =

8) 188 + 524 =

9) 821 + 973 =

10) 206 + 514 =

11) 364 + 356 =

12) 236 + 414 =

13) 254 + 847 =

14) 624 + 163 =

15) 876 + 665 =

16) 870 + 989 =

17) 324 + 359 =

18) 660 + 363 =

19) 407 + 142 =

20) 551 + 989 =

21) 697 + 882 =

22) 360 + 789 =

23) 656 + 864 =

24) 604 + 643 =

25) 867 + 351 =

26) 371 + 752 =

27) 175 + 338 =

28) 429 + 931 =

29) 246 + 640 =

30) 745 + 206 =

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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.