6
-2
15
-14
5
-2
19
-8
9
-6
6
-4
17
-14
4
-1
5
-3
14
-2
14
-10
3
-2
16
-4
9
-6
9
-3
14
-10
13
-10
15
-5
14
-1
15
-3
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 Starter 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.