Follow the following links for the basics of multirotors along with details on the specific build your team is working on. If you find another site or particular video or tutorial that you recommend, please provide the link to the rest of the class.
Overview:
Understanding The RC Quadrocopter / Multi Rotor
Build A Quadcopter From Scratch – Hardware Overview
QuadCopters – How to get started
What you need for an Arducopter multi-rotor
3D Robotics Y6:
Build Manual
Kit Information
DJI F550 Flamewheel
Birds Eye View FireFly6
Manuals
Safety Issues:
Multi-Copter Safety