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