The Chrome OS has a full suite of keyboard shortcuts, so many it is impossible to remember them all. Here's a great tip for Chromebook owners: Hit CTRL-ALT-? and an onscreen representation of the keyboard appears. Hold down the CTRL, ALT, SHIFT key to see what each key invokes when it is pressed.
Great Site to Help You Get Going!
This comprehensive site from the Edina Public Schools in Minnesota can help you get started. This is a resource for teachers to use to help implement Chromebooks into the classroom and to support a Classroom in the Cloud.