500
Boats have been around for a long, long time. Some used the wind to move. Some used the tide. Some were rowed by people. Then someone had a new idea.
In the paragraph below, what information should not be included in a summary? Explain why?
Robert Fulton designed the first boat that could move by the power from steam. This first steamboat was named the Clermont. In August 1807, it traveled up the Hudson River from New York City. It traveled over 100 miles because of the steam power.
What is "Boats have been around for a long, long time".
This information is extraneous, or extra, information which should not be included in a summary because it is not the most important information?