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Using Online Tools to Enhance Communication in IBL Classes
John Carter, PhD. Clark Dollard, PhD.
Metropolitan State College of Denver
Motivation
• I wanted to:– know more about students’ success with the
proofs before class in order to make better instructional decisions.
– get more students involved in presentations.– keep students accountable for making an honest
effort on every proof before they see it presented.
JITT Student View
JITT Printout: What are you ready to present?
JITT Printout: What do you want to see presented?
What I Took to Class
My Conclusions
• The basic idea of having students communicate their readiness worked well.– More students were regularly involved in
presentations– Test results for this class were very good (but a
small sample)– It was beneficial to not need to present all
theorems.• JITT is not the best tool to use for this
purpose.
Overview of what I tried.
• Used ImathAS to augment my IBL introduction to proofs course.
• Forums to allow students to ‘claim proofs’ and give some information about readiness.
• Forums to post finished (polished) proofs.• Discussion forums – student/student and
student/instructor• Forums for posting pictures of proofs as
presented.
Student view
Ready to present
Finished proofs
Finished proof
Discussion
Pictures
Conclusions
• Allowing students to ‘claim proofs’ saves class time and give insight into student progress.
• An online portal can create a sense of community.
• Students can type mathematics without complaint.
• The future– Dedicated Wiki with editor.– Several tablet PC’s for presentations?