4
-2
3
-2
5
-3
2
-1
19
-2
8
-7
17
-13
13
-3
5
-3
4
-3
11
-1
2
-1
7
-5
9
-1
6
-5
14
-11
6
-2
6
-5
16
-6
4
-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 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.