2
+10
1
+7
7
+10
5
+10
4
+4
4
+10
10
+4
1
+7
10
+9
4
+10
1
+3
3
+6
1
+2
2
+5
10
+9
1
+3
5
+1
8
+1
4
+4
1
+4
Practice addition facts with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Addition Facts Starter 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.