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) 235 + 311 =

2) 164 + 636 =

3) 704 + 894 =

4) 262 + 736 =

5) 759 + 580 =

6) 894 + 417 =

7) 940 + 815 =

8) 701 + 832 =

9) 158 + 875 =

10) 775 + 610 =

11) 766 + 652 =

12) 922 + 896 =

13) 768 + 724 =

14) 106 + 116 =

15) 852 + 137 =

16) 397 + 814 =

17) 616 + 879 =

18) 907 + 861 =

19) 265 + 946 =

20) 549 + 721 =

21) 120 + 302 =

22) 236 + 124 =

23) 874 + 617 =

24) 729 + 417 =

25) 136 + 678 =

26) 809 + 539 =

27) 719 + 403 =

28) 803 + 467 =

29) 416 + 940 =

30) 677 + 153 =

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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.