5
-2
8
-5
9
-8
4
-1
17
-13
4
-1
7
-1
5
-3
4
-1
8
-3
5
-4
14
-11
8
-5
7
-2
2
-1
17
-1
12
-1
5
-4
7
-1
19
-7
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.