Monthly Archives: July 2012

#mtt2k Khan Academy Poor procedural lessons can hinder learning study?

The mtt2k discussion started by math professors John Golden and David Coffey has found many videos by Khan Academy that are poorly done.  This goes beyond just errors to sloppiness and fuzziness in the lessons themselves.  The KA videos are … Continue reading

Posted in #mtt2k Khan Academy Videos Procedural v Conceptual, Conceptual v Procedural, Khan Academy, Khan Academy Charges, MTT2k Prize | 4 Comments

#mtt2k Khan Academy Videos Draft of Charges Preliminary

John Golden and David Coffey have posted another episode in their Mystery Teacher Theatre 2000 series. http://mathhombre.blogspot.com/2012/07/MTT2K-Ep2.html Based on this video, the following might be summarized as a possible set of charges against Khan.  I don’t say this is my … Continue reading

Posted in Khan Academy, Khan Academy Charges, MTT2k, MTT2k Prize, Mystery Teacher Theatre 2000 | Leave a comment

#mtt2k Joe Wagner Backpack.tv defense of Khan Academy

Joe Wagner of Backpack.tv has posted a defense of Khan Academy at Youtube.  The main purpose of this blog post is to summarize his defense and allow others to post comments on this defense.  The defense is posted at Youtube … Continue reading

Posted in Backpack.tv, http://patrickjmt.com/, Joe Wagner, Khan Academy, MTT2k, MTT2k Prize, My Math Gal, Mystery Teacher Theatre 2000, Video Vendors | 1 Comment

#mtt2k Khan Academy videos procedural v conceptual v structural

Procedural v conceptual is highly ambiguous on the conceptual fork and even somewhat ambiguous on procedural.   If procedural is the same as recursive math or constructive math or computable math, then procedural covers most of the subject matter of algebra … Continue reading

Posted in Dedekind and Peano Academy, Euler Academy, Fictional Academies, Giuseppe Peano, Grassmann, Hermann Grassmann, Lacroix, Lagrange and Laplace Academy, Procedural v Structural math, Richard Dedekind, The Nature and Meaning of Numbers | Leave a comment

#mtt2k Khan Academy videos procedural v conceptual repeated addition

This is a continuation of the discussion of procedural v conceptual in the context of Khan Academy videos. It also brings in the Keith Devlin initiated debate on multiplication as repeated addition for natural numbers as opposed to an operation … Continue reading

Posted in #mtt2k Khan Academy Videos Procedural v Conceptual, Conceptual v Procedural, Conceptual v Procedural videos, It Ain't No Repeated Addition, Keith Devlin Stanford, Let's Play Math, MTT2k, Procedural Levelism, Procedural Mathematics, Recursive Mathematics, Sphaghetti Proceduralism, Uncategorized | 2 Comments

#MTT2k Khan Videos Conceptual v. Procedural

Readers are invited to comment on their answers to the following questions. Are Khan videos procedural but not conceptual? All videos are procedural? All videos are non-conceptual? Khan videos are non-conceptual? Is procedural non-conceptual? Is conceptual non-procedural? A concept is … Continue reading

Posted in Conceptual v Procedural, Conceptual v Procedural videos, Khan Academy, MTT2k, MTT2k Prize, Mystery Teacher Theatre 2000, Uncategorized | 9 Comments

WaPo Emma Brown Fairfax school board debates Thomas Jefferson High admissions

Washington Post (WaPo )Emma Brown Fairfax school board debates Thomas Jefferson High admissions By Emma Brown, Published: July 19 ==Dialogue with a poster at WaPo MarkTenneyNewMathDoneRight 10:41 AM EDT The TJ admissions test should contain problems going from easy to … Continue reading

Posted in Beaglehole Tenney, Bessel functions, Cox, Emma Brown Education Journalist, Ingersoll and Ross, Mathematical Finance, Thomas Jefferson High School for Science and Technology, TJHHS Algebra Admissions Test | Leave a comment