7
-3
14
-2
14
-13
9
-3
7
-1
5
-1
2
-1
12
-1
17
-16
13
-3
4
-3
18
-7
9
-8
15
-14
17
-16
3
-2
6
-4
8
-7
5
-1
15
-1
Practice subtraction within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Subtraction Within 20 Easy Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.