2
-1
2
-1
2
-1
8
-2
3
-1
6
-3
18
-4
3
-2
6
-1
17
-15
16
-3
6
-4
5
-2
13
-2
13
-10
4
-2
14
-12
14
-12
16
-15
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.