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) 511 + 282 =

2) 560 + 294 =

3) 502 + 373 =

4) 808 + 934 =

5) 642 + 910 =

6) 744 + 440 =

7) 480 + 391 =

8) 530 + 565 =

9) 555 + 790 =

10) 282 + 766 =

11) 269 + 990 =

12) 965 + 731 =

13) 803 + 164 =

14) 188 + 734 =

15) 999 + 410 =

16) 198 + 172 =

17) 469 + 692 =

18) 921 + 469 =

19) 188 + 841 =

20) 138 + 585 =

21) 120 + 744 =

22) 452 + 653 =

23) 954 + 588 =

24) 602 + 530 =

25) 626 + 174 =

26) 957 + 275 =

27) 109 + 856 =

28) 535 + 850 =

29) 287 + 342 =

30) 290 + 412 =

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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.