7
-4
19
-18
19
-13
6
-3
14
-4
4
-2
6
-4
12
-1
2
-1
9
-6
12
-11
7
-5
4
-3
9
-7
9
-7
2
-1
9
-7
7
-1
9
-6
19
-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 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.