Search Me

Recent Posts
 Girls’ Angle Bulletin, Volume 8, Number 3
 We’ve Got Snowball Problems
 Happy New Year 2015!
 Girls’ Angle Bulletin, Volume 8, Number 2
 Go Digital! A Crossword Puzzle Raffle
 Girls’ Angle Bulletin, Volume 8, Number 1
 Multiplication Sculptures and Sums of Cubes
 Girls’ Angle Bulletin, Volume 7, Number 6
 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
Categories
 applied math (3)
 Contest Math (23)
 gender issues (9)
 math (89)
 Math Education (74)
 Uncategorized (14)
 WIM videos (4)
Archives
 February 2015 (2)
 January 2015 (1)
 December 2014 (2)
 October 2014 (1)
 September 2014 (1)
 August 2014 (1)
 July 2014 (1)
 June 2014 (2)
 May 2014 (1)
 February 2014 (1)
 January 2014 (4)
 December 2013 (1)
 November 2013 (2)
 September 2013 (2)
 August 2013 (1)
 July 2013 (2)
 June 2013 (1)
 May 2013 (1)
 April 2013 (3)
 March 2013 (1)
 February 2013 (2)
 January 2013 (2)
 December 2012 (2)
 November 2012 (2)
 October 2012 (3)
 September 2012 (8)
 August 2012 (10)
 July 2012 (7)
 June 2012 (3)
 May 2012 (3)
 April 2012 (7)
 March 2012 (4)
 February 2012 (3)
 December 2011 (4)
 November 2011 (7)
 October 2011 (11)
 September 2011 (13)
 August 2011 (16)
Everything Math
AIME angles arctangent area calculus CEO chocolate circles Coach Barb combinatorics complex numbers computation conformal crossword cubes dates distance divisibility Emily Riehl errors exponentials Fermat's little theorem geometry Girls' Angle Girls' Angle Bulletin girls and math infinite geometric series Jean Pedersen Julia Zimmerman Kate Jenkins learning linear algebra mass points math math contests Math Doctor Bob mathematicians math event math magazine math prize for girls math problems math trivia math videos matrices mental computation multiplication optimization origami parabolas perpendicular perspective drawing puzzle Pythagorean theorem Pythagorean triples quadratic Radmila Sazdanovic raffle contest roots science secret messages similarity sine stable marriage algorithm stable marriage problem stereographic projection sumit sums of powers tennis triangles trigonometry USWIM variables Vieta's formulas volume Women's History Month
Category Archives: math
We’ve Got Snowball Problems
Current weather in New England makes it hard to not think about snow. So here are two snowball inspired math problems. We welcome your solutions (send to girlsangle “at” gmail.com). Perhaps we’ll post solutions when the last traces of snow have … Continue reading
Girls’ Angle Bulletin, Volume 8, Number 2
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. After reading Stained Glass Angles in Volume 7, Number 4, Marion Walter happened upon an amazing stained glass window by John Rose at … Continue reading
Posted in math, Math Education
Tagged Cathleen Morawetz, choose, Claire Trabue, compass and straightedge constructions, Cornelia Van Cott, cross sections, derivative, full deck, Jim Sawyer, John Rose, Margo Dawes, Millie Wert, npointed stars, Shelby Nutter, stained glass windows, Sydney WEbber, Thaddeus Wert, z = xy
1 Comment
Girls’ Angle Bulletin, Volume 8, Number 1
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. This time, we’re leaving it up to readers to guess what our latest cover represents. This past summer, Girls’ Angle program assistant … Continue reading
Multiplication Sculptures and Sums of Cubes
Take a multiplication table and build a column of cubes over each entry. For each column, use as many cubes as the product it sits upon. The result is a “multiplication sculpture” or “multiplication tower.” The picture shows a 15 by … Continue reading
Girls’ Angle Bulletin, Volume 7, Number 6
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. The cover illustrates a neat result that Anna B. discovered and explains in this issue’s Anna’s Math Journal. She continued her investigation of … Continue reading
Marion Walter’s Theorem Via Mass Points
I recently had the good fortune of learning Marion Walter’s theorem from Marion Walter herself: Marion Walter’s Theorem: In a triangle, draw line segments from each vertex to the trisection points on the opposite side. The six drawn line segments … Continue reading