Cultural competency and the understaning of the struggles each student goes thru is an essential part in teaching students from diverse culture.

I learned that it is important for me to greet every student at the door and introduce myself first before starting any cirriculum stuff about the class

You are setting the tone for classroom. Allowing students to understand who you are as a person. create a checklist to saty on topic, and be accountable to review topics you might have missed.  

Three Key Roles as a instructor.

MODEL, MANAGE, MOTIVATE. everyone has different instructional styles. You have to find what works best for you.