3
-2
18
-6
18
-2
7
-1
2
-1
14
-2
7
-3
6
-1
12
-10
3
-2
9
-5
9
-7
5
-2
19
-6
16
-14
7
-2
9
-3
5
-1
8
-7
9
-6
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.