7
+1
1
+5
3
+3
2
+17
7
+1
10
+6
6
+13
2
+15
6
+13
5
+2
2
+1
5
+3
4
+3
3
+1
5
+14
6
+2
1
+15
2
+10
2
+6
7
+2
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.