14
-10
6
-2
15
-12
19
-6
8
-3
6
-5
13
-12
12
-11
6
-1
15
-2
17
-6
16
-15
6
-2
6
-3
18
-4
4
-1
17
-2
8
-3
5
-1
9
-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.