14
-4
18
-8
19
-7
18
-3
5
-3
18
-6
6
-5
7
-5
19
-11
11
-10
8
-6
5
-2
6
-5
15
-2
18
-12
15
-11
20
-10
7
-6
6
-1
15
-14
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.