Common Core: 2.NBT
Answer Key
Grade 2additionEasy

2-Digit + 2-Digit (With Regrouping) 1

Add two-digit numbers with regrouping

10 problems

1.
0
+9
_
2.
2
+18
__
3.
2
+15
__
4.
8
+ 2
__
5.
4
+ 6
__
6.
17
+ 2
__
7.
5
+4
_
8.
16
+ 1
__
9.
8
+ 3
__
10.
3
+ 8
__