6
-2
7
-2
2
-1
15
-3
19
-14
2
-1
4
-3
3
-2
13
-11
15
-1
19
-6
17
-16
7
-3
4
-1
17
-15
2
-1
13
-2
14
-3
6
-1
14
-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.