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) 283 + 198 =

2) 464 + 561 =

3) 712 + 917 =

4) 838 + 664 =

5) 678 + 642 =

6) 587 + 756 =

7) 555 + 372 =

8) 783 + 285 =

9) 835 + 233 =

10) 263 + 166 =

11) 907 + 938 =

12) 465 + 268 =

13) 902 + 990 =

14) 210 + 345 =

15) 142 + 817 =

16) 892 + 170 =

17) 104 + 144 =

18) 948 + 333 =

19) 129 + 290 =

20) 110 + 439 =

21) 668 + 608 =

22) 158 + 242 =

23) 211 + 876 =

24) 554 + 920 =

25) 122 + 392 =

26) 933 + 501 =

27) 305 + 728 =

28) 489 + 467 =

29) 458 + 228 =

30) 970 + 318 =

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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.