Apple TV

Airplay on Apple Device

Select which TV you want to share to from the display menu

Click "airplay" on the shortcuts menu of an iOS Device.

Get unique code displayed on the TV

Type the unique code when prompted on your computer and Voila!

Big Red Timer: visible from anywhere in the room. The ending chime is pleasant and stops on its own after about 6 chimes.

Go Noodle App is a must for every classroom.

BrainPop Jr. App for the apple TV is great. Unfortunately BrainPop has not created a non-Jr version of their app for some reason.