1.NBT.4 — Adding Within 100: Two-Digit & One-Digit Numbers

Solve each addition problem and write the answer on the line.

1. 1.23 + 5 =
2. 2.41 + 8 =
3. 3.30 + 40 =
4. 4.56 + 3 =
5. 5.20 + 50 =
6. 6.74 + 4 =
7. 7.60 + 30 =
8. 8.15 + 7 =
9. 9.43 + 20 =
10. 10.82 + 6 =
11. 11.50 + 40 =
12. 12.67 + 2 =
13. 13.34 + 50 =
14. 14.11 + 9 =
15. 15.25 + 30 =
16. 16.48 + 1 =
17. 17.70 + 20 =
18. 18.53 + 6 =
19. 19.62 + 30 =
20. 20.37 + 2 =
21. 21.44 + 40 =
22. 22.91 + 7 =