Common Core: 1.OA
Answer Key
Grade 1additionEasy

Sums to 10 (Set B)

More sums to 10 practice

12 problems

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