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) 908 + 524 =

2) 666 + 528 =

3) 251 + 630 =

4) 164 + 582 =

5) 927 + 401 =

6) 807 + 669 =

7) 275 + 896 =

8) 928 + 339 =

9) 946 + 160 =

10) 277 + 967 =

11) 134 + 511 =

12) 338 + 912 =

13) 560 + 941 =

14) 665 + 746 =

15) 967 + 363 =

16) 615 + 645 =

17) 135 + 766 =

18) 819 + 581 =

19) 666 + 796 =

20) 973 + 157 =

21) 770 + 275 =

22) 226 + 599 =

23) 878 + 621 =

24) 744 + 632 =

25) 596 + 293 =

26) 957 + 909 =

27) 869 + 970 =

28) 516 + 578 =

29) 223 + 361 =

30) 390 + 197 =

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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.