19
-16
15
-12
18
-2
8
-4
18
-11
9
-1
5
-4
15
-5
19
-12
6
-1
4
-2
5
-1
5
-4
7
-3
14
-1
4
-1
7
-3
18
-14
7
-2
5
-2
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.