3
-1
19
-8
15
-1
18
-2
19
-1
2
-1
9
-7
14
-11
6
-1
5
-2
18
-2
3
-2
11
-1
16
-6
12
-11
18
-17
19
-17
6
-1
15
-5
4
-3
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 Easy 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.