Teacher2Teacher |
Q&A #19085 |
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I recently attended a professional development session in which a math "expert" presented a lesson on plotting points on a graph. Once the points were plotted a student asked why she didn't connect the dots with lines. Her reply was that when you plot points on a graph you never connect them. I have a problem with the word "never". I thought that the line connections depended totally on what the purpose of the graph was. Therefore can you explain if and when point plot graphs include lines? Thanks, A Concerned Teacher
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