- A Counting Puzzle Raffle – Solution
- Girls’ Angle Bulletin, Volume 6, Number 4
- A Counting Puzzle Raffle
- The Pythagorean Theorem: Is It Proven?
- Back to Basics: Equation Manipulation
- Girls’ Angle Bulletin, Volume 6, Number 3
- Calculator Addiction
- Cook up some math with Julia Child
- Interview with the Institute of Mathematical Sciences in Madrid
- Girls’ Angle Bulletin, Volume 6, Number 2
- Happy 2013!
- SUMiT 2013
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Category Archives: Contest Math
Here are comments and solutions to (some of) the problems on the 2012 Math Prize for Girls contest that took place at MIT on September 22.
I’m looking forward to Games Night at the Math Prize for Girls coming up this weekend. I’ve been working with the author of “Mess or Math?” to create a really fun math activity and I hope many of you who … Continue reading
Here are comments and solutions to problems 1-5 on the 2011 Math Prize for Girls contest that took place at MIT on September 17, 2011. Earlier I blogged comments and solutions for problems 6-10, problems 11-15, and problems 16-20.
Here are comments and solutions to problems 6-10 on the 2011 Math Prize for Girls contest that took place at MIT on September 17, 2011. Earlier I blogged comments and solutions for problems 11-15 and problems 16-20.
I was checking out Mess or Math?’s cool blog and her latest post wonders whether problem 12 on the 2012 AIME 1 has a simple solution. Simple is a subjective term. The problem’s setup certainly suggests invoking things like the … Continue reading
Here are comments and solutions to problems 11-15 on the 2011 Math Prize for Girls contest that took place at MIT on September 17, 2011. Click here for comments and solutions for problems 1-5. Click here for comments and solutions for … Continue reading
Recently, a student asked me about problem #8 on the 2008 AIME 1 competition, which is reproduced here for your convenience: Find the positive integer such that . She was able to solve this using the sum of arctangents identity … Continue reading
I wrote a message for one of our members, but I’d like to make it available to all our members and any student of math who might be interested, so I adapted it into this blog post.
A few days ago, I presented some students with this problem from the 2003 AMC 10A (problem #5): Let and denote the solutions of . What is the value of ?