17
-14
7
-6
9
-8
14
-2
2
-1
15
-12
9
-6
7
-1
4
-3
6
-4
6
-2
5
-3
7
-4
16
-3
15
-10
2
-1
16
-5
2
-1
14
-12
14
-10
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 Expert 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.