Me: This problem asked you to show that these numbers are composite. You only listed them.Repeat for most groups.
Student: But they are composite!
Me: But you haven't shown this. You just listed the numbers.
Student: But it's right--they are composite!
Me: How could you show the numbers are composite?
Student: I don't know. What's a composite number?
Thursday, January 25, 2007
Repeated Conversation
From today, with groups of students handing in a group work assignment:
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