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) 120 + 208 =

2) 552 + 375 =

3) 252 + 329 =

4) 761 + 695 =

5) 533 + 847 =

6) 822 + 883 =

7) 374 + 143 =

8) 399 + 191 =

9) 374 + 688 =

10) 395 + 945 =

11) 350 + 996 =

12) 247 + 906 =

13) 655 + 583 =

14) 894 + 229 =

15) 247 + 915 =

16) 139 + 851 =

17) 418 + 196 =

18) 897 + 427 =

19) 492 + 774 =

20) 201 + 520 =

21) 246 + 947 =

22) 851 + 285 =

23) 507 + 815 =

24) 684 + 301 =

25) 787 + 644 =

26) 636 + 879 =

27) 408 + 234 =

28) 371 + 950 =

29) 502 + 321 =

30) 822 + 174 =

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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.