18
-2
16
-14
19
-14
19
-12
18
-4
8
-7
16
-1
4
-2
4
-3
16
-4
6
-3
14
-2
6
-3
6
-5
16
-6
6
-4
8
-4
3
-1
5
-1
11
-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 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.