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) 134 + 402 =

2) 259 + 753 =

3) 355 + 274 =

4) 414 + 326 =

5) 550 + 298 =

6) 144 + 801 =

7) 480 + 580 =

8) 307 + 435 =

9) 209 + 336 =

10) 976 + 397 =

11) 191 + 473 =

12) 593 + 356 =

13) 642 + 633 =

14) 746 + 254 =

15) 157 + 974 =

16) 147 + 586 =

17) 744 + 953 =

18) 875 + 823 =

19) 765 + 824 =

20) 732 + 712 =

21) 247 + 575 =

22) 623 + 751 =

23) 992 + 529 =

24) 500 + 649 =

25) 223 + 119 =

26) 938 + 441 =

27) 202 + 392 =

28) 619 + 430 =

29) 758 + 836 =

30) 493 + 742 =

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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.