class time reconsidered
Post on 01-Dec-2014
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Class Time Reconsidered
Derek Bruff
Vanderbilt University
@derekbruff / derekbruff.org
Considering that a tiny acorn can grow into a
mighty oak tree, which of the following
contributes the majority of the mass of the
tree?
A. Soil
B. Air
C. Water
D. Sunlight
Warm-Up
Times for
Telling(Schwartz & Bransford, 1998)
The Flipped ClassroomThe Flipped ClassroomThe Flipped ClassroomThe Flipped Classroom
Class TimeClass TimeClass TimeClass Time
Transfer Assimilate
Traditional ApproachTraditional ApproachTraditional ApproachTraditional Approach
Before ClassBefore ClassBefore ClassBefore Class After ClassAfter ClassAfter ClassAfter Class
Class TimeClass TimeClass TimeClass Time
Transfer Assimilate
Transfer Assimilate
Traditional ApproachTraditional ApproachTraditional ApproachTraditional Approach
Flipped ApproachFlipped ApproachFlipped ApproachFlipped Approach
Before ClassBefore ClassBefore ClassBefore Class After ClassAfter ClassAfter ClassAfter Class
Class TimeClass TimeClass TimeClass Time
Transfer Assimilate
Transfer Assimilate
Traditional ApproachTraditional ApproachTraditional ApproachTraditional Approach
Flipped ApproachFlipped ApproachFlipped ApproachFlipped Approach
Before ClassBefore ClassBefore ClassBefore Class After ClassAfter ClassAfter ClassAfter Class
(Asynchronous) (Asynchronous)(Synchronous)
Class TimeClass TimeClass TimeClass Time
Transfer Assimilate
First
Exposure
Practice &
Feedback
Traditional ApproachTraditional ApproachTraditional ApproachTraditional Approach
Flipped ApproachFlipped ApproachFlipped ApproachFlipped Approach
Before ClassBefore ClassBefore ClassBefore Class After ClassAfter ClassAfter ClassAfter Class
(Asynchronous) (Asynchronous)(Synchronous)
Class TimeClass TimeClass TimeClass Time
Transfer Assimilate
First
Exposure
Practice &
Feedback
Traditional ApproachTraditional ApproachTraditional ApproachTraditional Approach
Flipped ApproachFlipped ApproachFlipped ApproachFlipped Approach
Before ClassBefore ClassBefore ClassBefore Class After ClassAfter ClassAfter ClassAfter Class
(Asynchronous) (Asynchronous)(Synchronous)
Further
Exploration
AN EXAMPLEAN EXAMPLEAN EXAMPLEAN EXAMPLE
First Exposure – Pre-Class Reading
Practice & Feedback – Clicker
Questions
Three cards are placed in a hat—one card is blue on both
sides, one is red on both sides, and one has a blue side and a
red side. A card is drawn at random from the hat and you see
that one side is blue. What’s the probability that the other
side is blue?
A. 1/3
B. 1/2
C. 2/3
D. 3/4
Further Exploration – Problem Sets
The historical probabilities that a birth event results in
identical or fraternal twins are about 1/300 and 1/125,
respectively. Given that Elvis Presley had a twin brother
who died at birth, what is the probability that Elvis was an
identical twin? Assume that boys are as likely to be born,
in general, as girls. (Hint: This is the same probability that
a birth event results in identical twin boys given that we
know it results in twin boys.)
First Exposure(Walvoord & Anderson, 2009)
Screencasts
Grand Valley State University Math Department
Textbooks
Connections
Scaffolding
Points
Pre-Class Reading Quizzes
Reading Response Essays
Practice &
Feedback(aka Sense-Making)
Instructor Poses Question (<1 Min)
Students Answer Independently
(1-3 Min)
Instructor Views Results (<1 Min)
If Most Answer Correctly,
Briefly Discuss Question (1-3 Min)
If Most Answer Incorrectly,
Backtrack (5+ Min)
If Students Are Split, Have Students Discuss
in Pairs and Revote(1-5 Min)
Instructor Leads Classwide Discussion
(2-15 Min)
Peer
Instruction
Misconception Questions
Your sister calls to say she’s having twins.
Which of the following is more likely? (Assume
she’s not having identical twins.)
A. Twin boys
B. Twin girls
C. One girl and one boy
D. All are equally likely.
Application Questions
Adam Lucas, Mills College
True or False: If A is an m x nmatrix, then the dimension of
the row space of A plus the dimension of the nullspace of A
equals n.
23%
18%
32%
27% A. True – High Confidence
B. True – Low Confidence
C. False – Low Confidence
D. False – High Confidence
Synthesis Questions
Actual response data from last week!
Doodles + Camera Phones
Rubrics + Google Docs
All-Skate
Further
Exploration
Q&A via Piazza
Social Bookmarking via Diigo
Application Projects
Application Projects
Social Pedagogies(Bass & Elmendorf, 2009)
The The The The unFlippedunFlippedunFlippedunFlipped ClassroomClassroomClassroomClassroom
Derek Bruff
@derekbruff / derekbruff.org
derek.bruff@vanderbilt.edu
Flickr (CC) Photo Credits
• "Oak Tree," MunstiSue
• “mentos + diet coke,” the Cobras
• “final exam” (flipped), dcJohn
• “Super 8,” Eric Hart
• “Stats,” Derek Bruff
• “Numbers,” Luis Argerich
• “Chain of Addiction,” Evan Leeson
• “College Halls,” Derek Bruff
• “Little Shredder,” clappstar
• “IMG_9936e2,” Abby Bischoff
• “Skates,” marythom
• “Spiral out, keep going,” Tawcan
• “The Calm After the Show,” Thomas
Hawk
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