This tip focuses on using a simple keyboard shortcut to open up to view what students have been browsing as well as a fix for when you accidentally closed out a browser full of tabs.
Example:
Teacher is concerned if a student is off task. The teacher visits the student’s Chromebook and uses the Crtl Shift T shortcut a few times and two tabs of sports and gaming pops up displaying what the student recently closed.
Hansen's Link to Tech 