To use a visualizer/document camera to display and share the information to the whole class
  Using a visualizer or document camera in the classroom                                                A visualizer (sometimes called a document camera) lets a teacher display something small to a whole class via a PC and projector.                                                                                        This means that a teacher can demonstrate to a whole class something which would be difficult to show to a whole class without the whole class gathered round a table vying for space to see the demonstration.                                                          ...














 
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