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 Marion Walter’s Theorem Via Mass Points
 Girls’ Angle Bulletin, Volume 7, Number 5
 Cubes in onepoint perspective
 Girls’ Angle Bulletin, Volume 7, Number 4
 Girls’ Angle Bulletin, Volume 7, Number 3
 Intuiting the Chain Rule
 WIM Video: Pick’s Theorem
 Do you believe this?
 Happy New Year!
 Girls’ Angle Bulletin, Volume 7, Number 2
 2013 AIME 2 Problem 10
 Girls’ Angle Bulletin, Volume 7, Number 1
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Category Archives: Math Education
Girls’ Angle Bulletin, Volume 7, Number 5
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. A paraboloid of revolution adorns the cover. Anna investigates cross sections of paraboloids in this issue’s Anna’s Math Journal. It sure feels like … Continue reading
Posted in math, Math Education
Tagged Brahmagupta, Cailan Li, chicken mcnugget, cyclic quadrilateral, Frobenius coin problem, Johnny Tang, Kate Jenkins, Marie Vitulli, mass points, maximum subsequence, MIT's Aero/Astro, paraboloidal cross sections, permutations, quadratic reciprocity, Valeria Golosov
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Girls’ Angle Bulletin, Volume 7, Number 4
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. The cover features a planar configuration by Leah Berman, associate professor of mathematics at the University of Alaska Fairbanks. There are 240 … Continue reading
Girls’ Angle Bulletin, Volume 7, Number 3
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. Much of this issue is about the center of mass, including Julia Zimmerman’s cover drawing which features a mobile fantasy. In Math … Continue reading
Posted in math, Math Education
Tagged center of mass, gravity, Karen Smith, law of the lever, mass points, mobiles, vectors, WallaceBolyaiGerwien theorem, x to the x
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WIM Video: Pick’s Theorem
In our latest WIM Video, Depaul University Associate Professor of Mathematics Bridget Tenner discusses Pick’s theorem. The Girls’ Angle WIM Video series is the brainchild of Girls’ Angle director Elisenda Grigsby. WIM Videos are often shot on the spur of the moment … Continue reading
Posted in math, Math Education, WIM videos
Tagged area, Bridget Tenner, equilateral triangles, lattice polygons, Pick's theorem
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Girls’ Angle Bulletin, Volume 7, Number 2
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. In Bisection Envelopes, a paper to appear in the journal Involve, Noah FechtorPradines proves many interesting properties of the envelope of the set of … Continue reading
Girls’ Angle Bulletin, Volume 7, Number 1
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. The cover shows an example of (quasi) selfsimilarity in nature: the Romanesco broccoli, and alludes to this issue’s Math Buffet. Flip over … Continue reading
Posted in math, Math Education
Tagged Aaron Lee, Anna Frebel, Anne Shiu, Antony Orth, comet ISON, Conic Sections, Fibonacci, golden rectangle, selfsimilarity, zeroes
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Uncritical Thinking
A friend sent me the challenge at right that his daughter was given in school. What would you answer?
HCSSiM!
I recently returned from teaching a workshop at HCSSiM. It was a blast! I tip my hat to David Kelly for creating such an awesome experience. If you’re a high school student who loves math and wants to add your … Continue reading
Girls’ Angle Bulletin, Volume 6, Number 5
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. In Volume 6, Number 5, we present an interview with Kirsten Wickelgren, a fellow at Harvard University who will be moving to … Continue reading