using “youtube” in calculus i
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Using “YouTube” in Calculus I. Using pre-lecture video technique to increase class participation in calculus I . Understanding everything They are too confused to ask any question They do not even know what to ask - PowerPoint PPT PresentationTRANSCRIPT
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Using “YouTube” in Calculus I
Using pre-lecture video technique to increase class participation in
calculus I
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The specific problem – “Class Participation”
Using “YouTube” as pre-lecture videos
Some data showing the implication of this method
Advantages
Disadvantages
Sample
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This is my personal experience
This is only conducted once in the spring 2011 semester in the Hostos Community College
This experiment is only conducted over 29 students
I am not claiming this to be a scientific experiment nor recommending this to any instructor.
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In the beginning of the class – no response
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In the beginning of the class – no response
In the middle of the lecture (usually 3 to 4 times) – no response
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In the beginning of the class – no response
In the middle of the lecture (usually 3 to 4 times) – no response
At the end of the lecture – no response
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In the beginning of the class – no response
In the middle of the lecture (usually 3 to 4 times) – no response
At the end of the lecture – no response
Of course, there are a few exceptions
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Understanding everything They are too confused to ask any question They do not even know what to ask There are other factors, for example, some
students are shy to speak out in the classroom setting.
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Why so confused???
Forget pre-calculus materials Break of study May be some topics skipped in pre-
calculus Other reasons include “lack of
motivation”, “laziness”, “don’t care mentality” etc
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Post pre-lecture videos on blackboard All students must watch it before they come to the
lecture. That is why it is called pre-lecture video Each video is approximately 10 minutes long based on
some specific topics Usually topics are selected from pre-calculus. This will
refresh their mind on that particular topic. For example, students watch the video on the factoring
of trinomials and the next day I gave lecture on the finding limit using algebraic approach. Believe it or not approximately 50% of the students have problem factoring – a topic in remedial math course.
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What I get out of it?
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What I get out of it?
Students are getting less confused in the lecture
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What I get out of it?
Students are getting less confused in the lecture Students are more focused during the lecture.
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What I get out of it?
Students are getting less confused in the lecture Students are more focused during the lecture. Class participation triple. From 2/3 students to 9/10
students. Still low for a class size of 30 students but at least this is an improvement.
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What I get out of it?
Students are getting less confused in the lecture Students are more focused during the lecture. Class participation triple. From 2/3 students to 9/10
students. Still low for a class size of 30 students but at least this is an improvement.
More students asking questions about the calculus part of the lecture instead of the basic things.
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Advantages
Spending less time explaining basic stuff
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Advantages
Spending less time explaining basic stuff Students are more prepare to understand the
lecture
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Advantages
Spending less time explaining basic stuff Students are more prepare to understand the
lecture More participation means more
encouragement for me
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Advantages
Spending less time explaining basic stuff Students are more prepare to understand the
lecture More participation means more
encouragement for me Sometimes students learn more that one way
of solving a problem – one from the pre-lecture video and the other from the lecture
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Advantages
Spending less time explaining basic stuff Students are more prepare to understand the
lecture More participation means more
encouragement for me Sometimes students learn more that one way
of solving a problem – one from the pre-lecture video and the other from the lecture
Students like to watch instead of reading. This may not be a good thing but it is the reality
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)) [Using chain rule]
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)) [Using chain rule]
Using simplification first
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)) [Using chain rule]
Using simplification first
Using a slightly different method of simplification.
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Disadvantages
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Disadvantages
How to make sure all students watch the pre-lecture video that is posted?
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Disadvantages
How to make sure all students watch the pre-lecture video that is posted?
Sometimes in the video wrong information is posted. So you need to watch the entire video before posting it in the blackboard
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Disadvantages
How to make sure all students watch the pre-lecture video that is posted?
Sometimes in the video wrong information is posted. So you need to watch the entire video before posting it in the blackboard
Not all has high speed internet in their home and some do not even have a computer
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Disadvantages
How to make sure all students watch the pre-lecture video that is posted?
Sometimes in the video wrong information is posted. So you need to watch the entire video before posting it in the blackboard
Not all has high speed internet in their home and some do not even have a computer
Technical difficulties
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This is a very individualize experience It may not be appropriate for other subjects and
other colleges
Thank you