13
-10
2
-1
19
-15
17
-15
11
-10
19
-11
18
-17
18
-5
3
-2
7
-4
16
-15
19
-7
19
-12
8
-3
3
-2
16
-10
8
-7
2
-1
14
-13
6
-2
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.