2
-1
16
-2
16
-2
5
-4
11
-10
2
-1
6
-5
11
-1
19
-6
19
-2
15
-1
4
-1
12
-10
14
-2
9
-7
7
-5
7
-6
7
-4
19
-3
14
-10
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.