4
-2
8
-4
19
-14
6
-1
4
-2
19
-13
3
-1
2
-1
12
-10
7
-6
5
-3
8
-4
18
-12
3
-1
17
-14
19
-5
18
-16
14
-1
19
-16
18
-11
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.