3
-1
14
-12
15
-5
5
-3
16
-15
3
-2
17
-6
16
-13
13
-12
19
-16
2
-1
14
-11
18
-15
9
-7
3
-1
5
-3
5
-1
2
-1
9
-2
13
-12
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.