1. Greeting someone and getting to know them.  Introducing yourself.

Vocabulary lists
Greetings and Introduction cheat sheet for two -
Social Interaction vocab - 
Presenting or Introducing myself - : These links provide example scenarios with a lesson and then sometimes an activity or quiz on the topic to follow.
Se présenter en Français A0- Introducing yourself
Demander et dire son âge A0- Ask and give your age
Présenter le nouveau camarade de classe A0- Greet a new classmate
Faire connaissance en français A0 - Getting to know someone

Youtube videos:
French Greetings for Beginners - Lesson with notes and student actors