Grade 3 Three-Digit Addition with Regrouping

Add. Line up the place values and regroup (carry) where you need to.

1. 1.584 + 864 =
2. 2.254 + 372 =
3. 3.708 + 696 =
4. 4.366 + 504 =
5. 5.253 + 299 =
6. 6.870 + 580 =
7. 7.685 + 822 =
8. 8.548 + 152 =
9. 9.192 + 378 =
10. 10.628 + 224 =
11. 11.848 + 199 =
12. 12.173 + 193 =
13. 13.130 + 777 =
14. 14.627 + 745 =
15. 15.572 + 762 =
16. 16.655 + 175 =
17. 17.575 + 283 =
18. 18.775 + 348 =
19. 19.746 + 589 =
20. 20.377 + 118 =