19
-7
14
-13
4
-2
4
-1
8
-4
2
-1
3
-1
13
-12
19
-1
19
-5
15
-13
19
-5
19
-5
13
-1
18
-8
6
-5
8
-3
12
-2
13
-2
3
-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.