16
-6
7
-5
3
-2
8
-7
7
-1
8
-6
17
-12
2
-1
12
-1
7
-4
7
-4
16
-13
3
-2
17
-13
14
-3
5
-2
8
-7
18
-15
19
-7
6
-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.