10
+3
10
+5
1
+14
6
+1
10
+5
5
+14
7
+10
10
+7
8
+11
10
+10
2
+4
5
+11
8
+11
5
+2
10
+1
6
+10
2
+5
1
+17
2
+2
4
+5
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.