Common Core: 3.NBT
Answer Key
Grade 3additionMedium

2-Digit Addition with Regrouping (Set A)

Practice regrouping (carrying) with 2-digit numbers

10 problems

1.
39
+55
__
2.
45
+10
__
3.
47
+25
__
4.
98
+ 10
___
5.
54
+ 86
___
6.
57
+ 71
___
7.
61
+ 56
___
8.
65
+ 41
___
9.
68
+27
__
10.
78
+10
__