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