18
-3
15
-14
17
-5
14
-12
3
-2
18
-10
12
-11
14
-3
4
-3
15
-3
17
-6
3
-2
9
-8
12
-1
17
-14
5
-3
19
-9
5
-1
19
-6
5
-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.