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