Vertical Add Nine

This worksheet provides structured practice for adding nine to a variety of single-digit numbers using a vertical layout. Each problem features clear number placement and an answer box, helping students maintain consistent formatting. By repeatedly working through +9 facts, students build accuracy, strengthen recall, and improve mental addition strategies such as “add 10 then subtract 1.” The worksheet’s structure encourages independent practice and supports the transition into more complex arithmetic. It reinforces foundational skills crucial for success in multi-digit addition and number operations.

Curriculum Matched Skills

Mathematics – Addition Facts Fluency

Mathematics – Understanding Place Value in Vertical Setup

Mathematics – Mental Math Strategies for +9

Mathematics – Number Patterns and Relationships

This worksheet is part of our Addition Facts With 8 and 9 Worksheets collection.