13
-12
13
-10
15
-1
7
-6
12
-2
2
-1
16
-3
4
-1
19
-6
2
-1
14
-4
13
-12
13
-2
2
-1
17
-4
16
-10
18
-7
14
-13
4
-3
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.