2
-1
19
-14
18
-5
19
-6
5
-4
17
-11
4
-1
18
-10
16
-15
6
-3
7
-6
17
-16
9
-4
14
-13
14
-2
18
-11
5
-4
8
-5
6
-3
19
-13
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.