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