Another good tip was to leave the lights on. He says we should never teach in a dark room--it makes some people sleepy to turn the lights off. He says turning a bank of lights off in front of the screen is acceptable but not all the lights.
He also said to use a pointer (I'm assuming he means the lighted pointer) when getting the students to focus on a particular part of the presentation.
Lastly, he suggests that the projector should not run the entire period. If we're leaving the projector on just for instructions, he suggests copying those and handing them out to save the very expensive bulb.
Sounds like a lot of good tips in that post! Thanks for sharing it.
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