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