12
-11
15
-1
8
-2
15
-5
3
-1
8
-6
3
-1
16
-13
16
-5
14
-11
8
-1
19
-11
9
-4
18
-4
19
-7
2
-1
4
-2
19
-4
17
-2
8
-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 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.