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) 859 + 280 =

2) 636 + 268 =

3) 603 + 663 =

4) 764 + 311 =

5) 788 + 536 =

6) 393 + 425 =

7) 347 + 354 =

8) 619 + 295 =

9) 306 + 603 =

10) 761 + 219 =

11) 180 + 852 =

12) 819 + 556 =

13) 655 + 698 =

14) 783 + 859 =

15) 203 + 421 =

16) 477 + 723 =

17) 432 + 961 =

18) 672 + 258 =

19) 858 + 821 =

20) 536 + 804 =

21) 911 + 982 =

22) 744 + 112 =

23) 743 + 922 =

24) 207 + 789 =

25) 843 + 281 =

26) 604 + 930 =

27) 999 + 936 =

28) 313 + 361 =

29) 941 + 620 =

30) 397 + 788 =

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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.