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) 835 + 465 =

2) 743 + 695 =

3) 277 + 696 =

4) 176 + 403 =

5) 773 + 768 =

6) 668 + 529 =

7) 834 + 530 =

8) 773 + 978 =

9) 478 + 463 =

10) 708 + 915 =

11) 388 + 355 =

12) 292 + 675 =

13) 747 + 663 =

14) 558 + 536 =

15) 212 + 689 =

16) 933 + 893 =

17) 547 + 644 =

18) 272 + 579 =

19) 967 + 802 =

20) 959 + 539 =

21) 793 + 653 =

22) 171 + 596 =

23) 946 + 905 =

24) 386 + 794 =

25) 873 + 989 =

26) 864 + 206 =

27) 666 + 900 =

28) 425 + 567 =

29) 666 + 295 =

30) 326 + 374 =

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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.