Picture seems to indicate such, but I would think (hope) that Obama needed the teleprompter for some prepared national remarks as apposed to just talking to some elementary school kids.
Picture embedded below.
Past Teleprompter Posts:
Berman Post: Obama And The TelePrompter
Berman Post: Obama Has a Teleprompt Blunder on St Patrick's Day
Berman Post: BaracksTeleprompter.blogspot.com
Berman Post: Obama's Teleprompter Blunder on St Patrick's Day Was Actually a Joke?
Berman Post: Obama "I Jumped The Gun" (Referring to The Teleprompter)
Berman Post: Biden Goofs on Obama After His Teleprompter Broke
Berman Post: Today Show Comments on Obama's Teleprompter Habit
Berman Post: Another Teleprompter Shatters
Berman Post: "Obama's Home Teleprompter Malfunctions During Family Dinner"