Common Core: 1.OA — Operations & Algebraic Thinking
Grade 1 • addition • Medium
Sums to 15 (Set D)
Keep practicing sums to 15
12 problems
1.
1
+10
__
2.
2
+ 8
__
3.
2
+6
_
4.
3
+4
_
5.
3
+2
_
6.
4
+1
_
7.
4
+10
__
8.
5
+ 8
__
9.
5
+ 6
__
10.
5
+4
_
11.
6
+3
_
12.
6
+1
_