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