15
-10
16
-3
16
-12
2
-1
7
-5
14
-2
14
-4
15
-13
6
-4
9
-2
18
-3
9
-7
7
-5
14
-3
6
-4
2
-1
4
-2
9
-8
9
-6
17
-5
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.