7
-5
14
-10
6
-5
2
-1
12
-1
6
-4
9
-3
4
-3
5
-1
18
-3
19
-6
13
-2
16
-4
7
-2
7
-6
17
-11
12
-1
5
-2
15
-5
6
-4
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.