10 Good Google Docs, Sheets, and Forms Add-ons for Teachers

From: Free Technology for Teachers by Richard Byrne

"This afternoon I was asked if I could put together a list of my favorite Google Docs, Sheets, and Forms Add-ons. In the past I had put together lists of Sheets scripts, but most of those lists are outdated as Add-ons have mostly replaced scripts. Here's my updated list of my favorite Google Docs, Sheets and Forms Add-ons."