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) 309 + 472 =

2) 891 + 332 =

3) 576 + 167 =

4) 921 + 950 =

5) 419 + 948 =

6) 726 + 432 =

7) 553 + 287 =

8) 356 + 925 =

9) 391 + 607 =

10) 809 + 663 =

11) 499 + 986 =

12) 269 + 729 =

13) 365 + 936 =

14) 587 + 119 =

15) 201 + 409 =

16) 856 + 210 =

17) 259 + 205 =

18) 186 + 906 =

19) 417 + 289 =

20) 156 + 113 =

21) 525 + 475 =

22) 349 + 969 =

23) 167 + 521 =

24) 870 + 736 =

25) 333 + 144 =

26) 741 + 805 =

27) 108 + 611 =

28) 587 + 313 =

29) 187 + 772 =

30) 613 + 570 =

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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.