7
-6
3
-1
15
-12
9
-6
6
-1
13
-1
6
-4
18
-8
16
-3
18
-1
4
-1
2
-1
2
-1
16
-11
8
-2
17
-16
11
-1
8
-4
15
-14
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.