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) 149 + 114 =

2) 226 + 181 =

3) 637 + 131 =

4) 720 + 141 =

5) 966 + 770 =

6) 314 + 215 =

7) 614 + 577 =

8) 888 + 149 =

9) 993 + 373 =

10) 643 + 663 =

11) 201 + 640 =

12) 647 + 503 =

13) 932 + 117 =

14) 320 + 318 =

15) 479 + 189 =

16) 722 + 354 =

17) 198 + 192 =

18) 460 + 627 =

19) 816 + 169 =

20) 260 + 385 =

21) 128 + 933 =

22) 437 + 782 =

23) 672 + 655 =

24) 431 + 342 =

25) 949 + 347 =

26) 846 + 517 =

27) 473 + 492 =

28) 821 + 319 =

29) 862 + 589 =

30) 914 + 802 =

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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.