Common Core: 1.OA
Answer Key
Grade 1additionMedium

Sums to 15 (Set A)

Practice addition with sums up to 15

12 problems

1.
0
+4
_
2.
1
+2
_
3.
1
+0
_
4.
1
+10
__
5.
2
+ 8
__
6.
2
+6
_
7.
3
+4
_
8.
3
+2
_
9.
4
+1
_
10.
4
+10
__
11.
5
+ 8
__
12.
5
+ 6
__