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