Add Whole Tens and Hundreds

Answer Key - Grade 3 Math Worksheet - Challenge Me

Find the sum.

1. 1.

   611 + 30 = ____

   641
2. 2.

   700 + 237 = ____

   937
3. 3.

   364 + 60 = ____

   424
4. 4.

   761 + 190 = ____

   951
5. 5.

   100 + 240 = ____

   340
6. 6.

   894 + 90 = ____

   984
7. 7.

   684 + 140 = ____

   824
8. 8.

   400 + 212 = ____

   612
9. 9.

   480 + 80 = ____

   560
10. 10.

    648 + 260 = ____

    908
11. 11.

    400 + 223 = ____

    623
12. 12.

    585 + 80 = ____

    665
13. 13.

    875 + 10 = ____

    885
14. 14.

    300 + 672 = ____

    972
15. 15.

    695 + 90 = ____

    785
16. 16.

    553 + 310 = ____

    863
17. 17.

    400 + 470 = ____

    870
18. 18.

    655 + 50 = ____

    705