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 Girls’ Angle Bulletin, Volume 7, Number 3
 Intuiting the Chain Rule
 WIM Video: Pick’s Theorem
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 Girls’ Angle Bulletin, Volume 7, Number 2
 2013 AIME 2 Problem 10
 Girls’ Angle Bulletin, Volume 7, Number 1
 Uncritical Thinking
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Category Archives: Math Education
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
Girls’ Angle Bulletin, Volume 6, Number 4
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. The cover was made by Prof. Laura DeMarco, the subject if this issue’s interview. To make it, she used the Dynamics Explorer Tool, … Continue reading
Back to Basics: Equation Manipulation
I am posting this because I actually witnessed the following dialogue take place in a classroom: Teacher: To solve 7x + 3 = 12, first subtract 3 from both sides to get 7x = 9. Next, divide by 7 on … Continue reading