16
-3
15
-13
14
-10
19
-9
4
-1
9
-5
3
-2
13
-12
9
-4
7
-3
9
-4
19
-7
15
-2
4
-2
14
-11
18
-3
12
-1
17
-4
12
-1
15
-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.