7
-5
6
-4
17
-13
8
-7
19
-12
9
-1
9
-1
19
-2
13
-11
4
-3
3
-1
14
-12
6
-3
7
-4
7
-2
19
-4
3
-1
19
-6
12
-10
3
-1
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.