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