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) 715 + 287 =

2) 255 + 891 =

3) 287 + 130 =

4) 549 + 759 =

5) 693 + 590 =

6) 190 + 674 =

7) 870 + 113 =

8) 636 + 888 =

9) 165 + 651 =

10) 458 + 183 =

11) 529 + 653 =

12) 733 + 744 =

13) 565 + 759 =

14) 118 + 983 =

15) 438 + 870 =

16) 185 + 654 =

17) 878 + 207 =

18) 921 + 743 =

19) 683 + 864 =

20) 391 + 498 =

21) 380 + 972 =

22) 270 + 105 =

23) 976 + 637 =

24) 543 + 772 =

25) 844 + 128 =

26) 306 + 563 =

27) 912 + 447 =

28) 151 + 167 =

29) 142 + 682 =

30) 797 + 205 =

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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.