4
-2
18
-7
19
-3
5
-1
6
-3
8
-1
2
-1
4
-3
7
-6
4
-3
8
-1
13
-11
8
-6
2
-1
16
-13
16
-3
17
-2
19
-2
9
-7
16
-15
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.