19
-17
13
-12
7
-4
9
-4
9
-1
15
-10
8
-6
7
-4
19
-6
18
-6
8
-2
13
-1
5
-2
5
-4
17
-7
5
-1
5
-4
17
-2
14
-11
7
-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.