17
-13
8
-7
5
-3
9
-5
6
-5
8
-2
3
-2
14
-3
8
-5
9
-6
3
-2
7
-6
19
-11
17
-1
4
-1
8
-3
7
-1
8
-7
15
-4
9
-6
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.