8
-5
13
-3
7
-5
12
-1
18
-4
19
-3
3
-2
9
-7
13
-3
14
-11
15
-12
5
-4
8
-7
18
-14
4
-3
16
-12
17
-2
8
-5
3
-2
3
-2
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.