8
-7
15
-12
6
-5
9
-3
8
-2
5
-4
16
-6
4
-3
7
-2
4
-1
19
-14
17
-16
16
-6
3
-2
18
-15
18
-8
2
-1
6
-4
8
-6
18
-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.