3
+3
3
+5
3
+1
10
+1
2
+5
2
+5
5
+1
10
+8
1
+6
7
+10
8
+10
4
+3
10
+3
8
+10
5
+2
2
+4
4
+3
3
+4
2
+2
5
+1
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.