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