17
-15
4
-3
6
-3
3
-2
14
-3
19
-7
3
-2
2
-1
4
-2
2
-1
9
-1
2
-1
14
-10
5
-4
18
-11
14
-11
8
-3
7
-1
15
-10
9
-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.