Common Core: 1.OA — Operations & Algebraic Thinking
Grade 1 • subtraction • Challenging
Mixed Subtraction Practice (Set C)
Additional mixed practice
12 problems
1.
20
- 3
__
2.
5
-0
_
3.
5
-5
_
4.
6
-4
_
5.
7
-4
_
6.
7
-2
_
7.
8
-1
_
8.
9
-0
_
9.
9
-8
_
10.
10
- 7
__
11.
11
- 6
__
12.
11
- 4
__