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) 515 + 920 =

2) 358 + 831 =

3) 471 + 338 =

4) 754 + 614 =

5) 584 + 949 =

6) 571 + 931 =

7) 807 + 380 =

8) 642 + 204 =

9) 410 + 932 =

10) 470 + 296 =

11) 979 + 164 =

12) 622 + 727 =

13) 393 + 353 =

14) 249 + 399 =

15) 978 + 109 =

16) 925 + 266 =

17) 854 + 588 =

18) 594 + 248 =

19) 552 + 198 =

20) 972 + 151 =

21) 887 + 233 =

22) 189 + 404 =

23) 259 + 638 =

24) 998 + 798 =

25) 589 + 671 =

26) 760 + 408 =

27) 565 + 931 =

28) 777 + 950 =

29) 992 + 238 =

30) 454 + 917 =

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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.