2
-1
13
-3
14
-2
16
-15
17
-1
6
-3
4
-1
4
-2
19
-8
14
-13
20
-10
5
-3
3
-1
19
-18
14
-11
5
-2
9
-4
2
-1
17
-5
18
-8
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.