1
+6
4
+3
5
+10
3
+12
2
+17
5
+10
4
+11
1
+1
7
+2
5
+14
3
+2
1
+6
1
+14
3
+16
3
+14
3
+13
4
+5
10
+4
2
+14
5
+4
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.