15
-11
19
-4
9
-1
7
-3
8
-2
9
-3
5
-2
5
-3
19
-13
11
-1
12
-11
14
-1
14
-10
13
-3
2
-1
9
-7
8
-7
5
-3
15
-5
15
-10
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.