Search Me

Recent Posts
 Girls’ Angle Bulletin, Volume 9, Number 5
 Girls’ Angle Bulletin, Volume 9, Number 4
 Girls’ Angle Bulletin, Volume 9, Number 3
 Math Collaborations
 Happy New Year 2016!
 Girls’ Angle Bulletin, Volume 9, Number 2
 Girls’ Angle Bulletin, Volume 9, Number 1
 Girls’ Angle BacktoSchool Puzzle Raffle
 Girls’ Angle Bulletin, Volume 8, Number 6
 Origamiinspired Proof of the Pythagorean Theorem
 Girls’ Angle Bulletin, Volume 8, Number 5
 Conceptual Solution to 2008 AIME I, Problem 14
Categories
 applied math (3)
 Contest Math (24)
 gender issues (9)
 math (99)
 Math Education (81)
 Uncategorized (19)
 WIM videos (4)
Archives
 June 2016 (1)
 April 2016 (1)
 February 2016 (2)
 January 2016 (1)
 December 2015 (1)
 October 2015 (1)
 September 2015 (1)
 August 2015 (2)
 June 2015 (2)
 May 2015 (1)
 April 2015 (1)
 March 2015 (1)
 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 conformal crossword cubes dates derivative divisibility Emily Riehl exponentials Fermat's little theorem finite fields geometry Girls' Angle Girls' Angle Bulletin girls and math infinite geometric series irreducible polynomials Jean Pedersen Julia Zimmerman Kate Jenkins learning linear algebra mass points math math contests Math Doctor Bob mathematicians math event math games math magazine math prize for girls math problems math trivia math videos mental computation multiplication optimization origami palindromes parabolas permutations perspective drawing probability puzzle Pythagorean theorem Pythagorean triples quadratic raffle contest roots science secret messages similarity sine stereographic projection sumit tangent telescoping sum tennis triangles trigonometry USWIM variables Vieta's formulas volume Women's History Month
Monthly Archives: August 2011
Girls’ Angle Bulletin, Volume 4, Number 6
The latest issue of the Bulletin is now available. The Girls’ Angle Bulletin has faithfully come out at the end of every evennumbered month for four full years! That’s over 700 pages of math. The cover illustrates the fact that … Continue reading
Posted in math, Math Education
Tagged Girls' Angle Bulletin, math magazine, parabolas, quadratic
Leave a comment
Remedial or Enrichment?
Last week, a math teacher asked me whether Girls’ Angle focuses on remedial mathematics or enrichment mathematics. I think it’s a very important question so I have decided to blog about it.
Drawn to Math
Lots of people like to draw and many people strive to make more realistic drawings. That desire can motivate lots of mathematics! Perspective drawing is one of the keys to making realistic drawings, and, at the same time, offers a … Continue reading
Circles, Squares, and Parabolas
If you take two circles, you can position them before your right eye in such a way that one will perfectly overlap the other. In other words, a circle is geometrically similar to all other circles. The same is true … Continue reading
My frog jumped higher than Yours!
In this post, all I wish to do is share an incident that happened about 5 years ago, before I started Girls’ Angle. I’m not going to interpret it, analyze it, or draw any conclusions here… just describe what happened. … Continue reading
Barycentric Coordinates
Draw a triangle and add a point P somewhere on its boundary or in its interior. Next, connect P to each of the three vertices. The triangle will be split into 3 smaller triangles, possibly degenerate. Label the fraction of the area of … Continue reading
Math Contests v. Mathematics
In math contests, participants match wits against humans (the contest designers). In mathematics, participants match wits against the mathiverse!