Poll Everywhere Use with/without Google Slides to poll students during instruction.
Read&Wrtie for Google Chrome Will read text to students. Initially will allow for dictionary look up of unknown words (during trial).
EDPuzzle: Embed video with questions.
Flubaroo: Grading online assessments.
Full Page Screen Capture Allow you to capture your screen and share/email to others.
To locate these, go to the Google ChromeStore
MapIt! Use with Google Earth to measure locations and work with Area/Perimeter