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My research falls within three main areas: groupwork and collaboration, students' use of technology for doing mathematics, and student thinking and learning. Much of my work overlaps two or more of these areas. For example, I study how students can learn mathematical concepts and practices through interactions with their peers, and how working together at the computer shapes students' mathematical understandings.

Click on any of the three pictures below for more information about the different projects I have worked on.  

    
  
 
  
     
  
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    Students' Use of Technology

Students' Use of Technology

   Groupwork and Collaboration

Groupwork and Collaboration

   Student Thinking and Learning

Student Thinking and Learning