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) 845 + 311 =

2) 310 + 184 =

3) 725 + 322 =

4) 962 + 692 =

5) 828 + 682 =

6) 376 + 320 =

7) 822 + 451 =

8) 226 + 915 =

9) 722 + 168 =

10) 744 + 416 =

11) 100 + 137 =

12) 964 + 513 =

13) 119 + 552 =

14) 174 + 950 =

15) 572 + 917 =

16) 676 + 410 =

17) 556 + 792 =

18) 122 + 597 =

19) 819 + 855 =

20) 875 + 833 =

21) 418 + 260 =

22) 862 + 448 =

23) 727 + 222 =

24) 554 + 269 =

25) 251 + 598 =

26) 451 + 675 =

27) 624 + 621 =

28) 421 + 684 =

29) 647 + 834 =

30) 875 + 902 =

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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.