13
-12
9
-7
2
-1
4
-3
19
-10
19
-9
18
-8
5
-3
17
-6
16
-3
5
-3
15
-13
6
-1
3
-2
4
-2
19
-10
19
-12
19
-12
9
-5
17
-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.