18
-8
5
-4
7
-5
5
-2
17
-3
15
-14
5
-4
9
-6
17
-13
16
-6
8
-4
17
-14
2
-1
2
-1
9
-2
14
-2
3
-1
16
-2
4
-1
5
-4
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.