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