2
-1
14
-4
7
-2
8
-3
18
-12
18
-14
19
-11
3
-2
4
-1
14
-3
12
-2
19
-5
3
-1
17
-10
2
-1
5
-3
18
-8
5
-1
18
-2
7
-4
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.