3
+10
3
+14
1
+10
3
+2
10
+4
3
+10
5
+4
2
+17
4
+3
1
+10
7
+12
10
+8
3
+6
2
+5
4
+11
2
+17
2
+16
1
+1
2
+4
1
+16
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.