16
-14
18
-15
7
-2
6
-2
2
-1
11
-1
3
-2
16
-6
4
-1
14
-13
12
-11
20
-10
6
-4
18
-15
4
-3
18
-16
14
-4
7
-3
7
-6
14
-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 Expert 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.