6
-3
15
-4
3
-1
13
-3
19
-3
19
-14
6
-4
12
-1
7
-2
16
-13
7
-5
14
-10
14
-3
18
-16
9
-4
15
-14
16
-11
6
-2
7
-4
4
-3
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.