Author Archives: girlsangle

About girlsangle

We're a math club for girls.

Origami-inspired Proof of the Pythagorean Theorem

While working with math teachers Richard Chang and Randi Currier of the Buckingham Browne & Nichols Middle School to come up with problems that use polynomials and rational expressions, we stumbled upon an origami-inspired proof of the Pythagorean theorem that I’d like to … Continue reading

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Girls’ Angle Bulletin, Volume 8, Number 5

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. Volume 8, Number 5 of the Bulletin kicks off with an interview of Ivana Alexandrova. Ivana is an Assistant Professor of Mathematics at … Continue reading

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Conceptual Solution to 2008 AIME I, Problem 14

Here’s a solution to problem 14 on the 2008 AIME I contest that attempts to avoid computation as much as possible. Sometimes, it’s an amusing exercise to try to solve a contest problem entirely in your head. Doing so often forces … Continue reading

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Girls’ Angle Bulletin, Volume 8, Number 4

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. Volume 8, Number 4 of the Bulletin kicks off with the concluding half of our 2-part interview with Hamilton College Assistant Professor of Mathematics … Continue reading

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Snowball Problems Melted

The snow from the record setting snowfalls in Boston are pretty much gone, so here are solutions to the two snowball problems from the February. Solution to Snowball Problem #1. We claim that every point in space on the side … Continue reading

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Girl Scouts STEM Expo crossword raffle

(Added April 5, 2015: This raffle is now closed. Thank you to all who entered. Congratulations to Monica G. who won the member draw and Danielle D. who won the general draw!) Last Sunday, Girls’ Angle hosted a booth at the … Continue reading

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Girls’ Angle Bulletin, Volume 8, Number 3

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. Volume 8, Number 3 of the Bulletin kicks off with the first part of a 2-part interview with Hamilton College Assistant Professor … Continue reading

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