2
+14
4
+1
10
+8
1
+10
5
+1
3
+11
9
+10
8
+11
3
+15
7
+1
8
+11
2
+11
2
+11
6
+12
4
+5
9
+10
2
+2
10
+10
2
+2
6
+13
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.