3
-2
16
-6
13
-12
8
-2
2
-1
19
-10
13
-3
18
-8
15
-1
19
-14
9
-4
3
-1
17
-5
3
-2
19
-1
8
-2
14
-1
14
-12
5
-3
4
-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.