4
-1
5
-2
6
-3
14
-10
4
-3
16
-14
2
-1
6
-2
13
-12
3
-2
9
-2
14
-1
17
-13
5
-3
3
-1
19
-15
16
-11
7
-1
8
-1
7
-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 Medium 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.