Common Core: 1.OA — Operations & Algebraic Thinking
Grade 1 • subtraction • Challenging
Mixed Subtraction Practice (Set F)
Master all subtraction facts
12 problems
1.
6
-4
_
2.
7
-4
_
3.
7
-2
_
4.
8
-1
_
5.
9
-0
_
6.
9
-8
_
7.
10
- 7
__
8.
11
- 6
__
9.
11
- 4
__
10.
12
- 2
__
11.
12
- 0
__
12.
13
-12
__