Common Core: 1.OA — Operations & Algebraic Thinking
Grade 1 • addition • Medium
Sums to 20 (Set C)
Additional drill with sums to 20
12 problems
1.
1
+7
_
2.
1
+5
_
3.
2
+3
_
4.
2
+1
_
5.
3
+0
_
6.
3
+ 9
__
7.
3
+ 7
__
8.
4
+5
_
9.
4
+3
_
10.
5
+2
_
11.
5
+0
_
12.
6
+ 9
__