9
+9
4
+7
9
+8
3
+9
7
+8
5
+7
1
+9
5
+5
8
+8
2
+8
7
+7
8
+3
8
+3
4
+9
7
+7
8
+7
9
+4
9
+8
7
+9
7
+3
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 Hard 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.