8
-2
9
-6
6
-4
2
-1
19
-13
7
-2
19
-16
4
-2
4
-3
19
-1
17
-3
5
-4
17
-3
2
-1
18
-17
13
-11
17
-13
19
-17
19
-7
2
-1
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.