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