8
-5
4
-3
16
-3
18
-8
7
-5
8
-3
16
-15
12
-11
2
-1
3
-1
12
-11
20
-10
15
-1
15
-3
18
-17
3
-2
9
-6
9
-4
5
-2
7
-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.