13
-10
17
-3
15
-11
2
-1
5
-3
6
-1
8
-4
3
-1
14
-11
15
-3
4
-2
5
-1
16
-10
4
-2
3
-2
4
-2
8
-2
16
-12
6
-1
19
-12
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.