4
-3
9
-8
8
-7
9
-5
16
-6
8
-6
12
-1
7
-4
16
-15
18
-5
9
-3
19
-1
4
-3
12
-11
7
-2
7
-5
2
-1
15
-4
16
-12
13
-12
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.