17
-14
8
-4
6
-4
13
-1
18
-8
8
-7
16
-5
15
-5
5
-4
18
-5
5
-2
5
-4
6
-5
2
-1
5
-4
16
-5
18
-13
18
-8
2
-1
3
-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 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.