5
+4
1
+5
2
+1
1
+14
2
+10
2
+2
5
+12
10
+10
3
+11
2
+1
1
+8
5
+10
3
+16
7
+12
1
+17
7
+11
2
+11
1
+8
5
+4
8
+11
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.