15
-5
18
-4
2
-1
19
-1
19
-10
19
-9
4
-2
17
-14
7
-4
18
-17
7
-5
2
-1
18
-13
19
-12
16
-4
14
-2
8
-7
19
-8
7
-6
6
-4
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.