17
-11
5
-1
17
-11
14
-12
3
-2
9
-8
6
-2
8
-2
5
-4
2
-1
8
-2
9
-3
5
-2
4
-3
8
-2
3
-2
5
-3
9
-5
19
-3
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.