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) 700 + 259 =

2) 561 + 795 =

3) 999 + 410 =

4) 720 + 683 =

5) 339 + 522 =

6) 914 + 264 =

7) 762 + 334 =

8) 826 + 280 =

9) 484 + 810 =

10) 601 + 465 =

11) 111 + 112 =

12) 974 + 463 =

13) 193 + 483 =

14) 155 + 693 =

15) 118 + 780 =

16) 677 + 243 =

17) 185 + 215 =

18) 206 + 947 =

19) 464 + 422 =

20) 386 + 730 =

21) 726 + 227 =

22) 588 + 640 =

23) 939 + 300 =

24) 285 + 488 =

25) 440 + 392 =

26) 206 + 194 =

27) 952 + 950 =

28) 145 + 678 =

29) 998 + 492 =

30) 927 + 798 =

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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.