17
-5
12
-1
9
-8
8
-6
9
-4
19
-12
7
-5
13
-11
2
-1
2
-1
7
-3
17
-10
14
-1
2
-1
13
-10
19
-3
15
-14
4
-2
5
-3
3
-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.