2
+11
3
+11
6
+2
1
+17
10
+7
5
+13
5
+3
3
+4
7
+11
2
+12
5
+10
3
+3
10
+8
8
+10
1
+2
6
+13
1
+16
5
+13
1
+6
7
+12
Practice addition within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Addition 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.