Common Core: 1.OA
Answer Key
Grade 1additionEasy

Making 10 (Set D)

Keep working on bonds to 10

10 problems

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