Clearly is a chrome app that allows you to focus your screen on the specific article you want to read or show in class. Clearly will remove all the distracting adds an unrelated articles on the website. Also, you can highlight and change the background for better viewing and reading. 

 

Daum Equation Editor allows you to create unique math equations and save them immediatly to your drive folder. Math teachers can use this tool to create complex equations for either Google Docs or Google Forms.