Common Core: 1.OA
Answer Key
Grade 1subtractionBeginner

Introduction to Subtraction 1

Learn the basics of taking away numbers within 5

10 problems

1.
5
-2
_
2.
1
-0
_
3.
1
-1
_
4.
2
-1
_
5.
2
-0
_
6.
2
-2
_
7.
3
-2
_
8.
3
-1
_
9.
3
-0
_
10.
3
-3
_