Common Core: 1.OA
Answer Key
Grade 1additionEasy

Making 10 (Set A)

Find number pairs that add up to 10

10 problems

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