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