Common Core: 1.OA — Operations & Algebraic Thinking
Grade 1 • subtraction • Challenging
Mixed Subtraction Practice (Set D)
Keep reviewing all facts
12 problems
1.
5
-0
_
2.
5
-5
_
3.
6
-4
_
4.
7
-4
_
5.
7
-2
_
6.
8
-1
_
7.
9
-0
_
8.
9
-8
_
9.
10
- 7
__
10.
11
- 6
__
11.
11
- 4
__
12.
12
- 2
__