17
-6
13
-1
17
-12
19
-5
19
-12
4
-2
7
-1
3
-1
18
-12
5
-2
12
-1
14
-12
4
-1
19
-17
2
-1
15
-14
4
-2
13
-3
3
-2
8
-5
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.