Below is an 8.5x14 file that you can print for your classroom.
The main difference with the Trackpad on a Chromebook is that the RIGHT click is a TWO-FINGER click instead!
WeVideo (App Only) - students can edit video | website
Scrible - students can organize their research | website
Co:Writer - students can have Internet content read to them | website
1-click timer - students can keep track of timed assignments
bit.ly or goo.gl URL shortener - send students to a website with a short URL | website for bit.ly
VideoNot.es (App Only) - students can take notes while watching a video | website
Google Keep - students can take notes; integrates with Google Docs | website
Screencastify Lite - students can screencast from their Chrome browser | website
Reading Ruler - students can use a colored marker to help them keep track of long pieces of text as they read
Coggle (App Only) - have students create a mind map | website
Please note that there are HUNDREDS of Apps that you and your students can connect to. Chrome Apps are simply ways to access web content that already exists. Apps are usually free, but they may connect to services that require payment.