3
-1
3
-1
8
-7
6
-4
18
-5
17
-5
19
-10
7
-6
4
-1
3
-2
14
-2
9
-2
16
-13
19
-15
16
-2
19
-16
14
-11
5
-3
9
-5
13
-12
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.