19
-7
8
-6
16
-1
14
-1
18
-11
4
-2
18
-16
16
-2
2
-1
2
-1
14
-2
2
-1
11
-1
4
-3
17
-2
15
-3
9
-8
15
-2
20
-10
18
-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.