8
-4
16
-4
5
-1
8
-3
4
-1
11
-1
16
-5
6
-5
8
-1
3
-1
17
-12
15
-13
5
-3
12
-11
2
-1
9
-5
17
-4
8
-5
16
-12
6
-2
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.