3
+3
7
+10
5
+11
1
+5
6
+2
2
+16
10
+10
5
+13
3
+10
3
+5
3
+14
4
+5
1
+15
7
+2
10
+2
1
+12
5
+3
6
+10
4
+3
4
+14
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 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.