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