Archive for January, 2008
Wednesday, January 30th, 2008
Last month I blogged about mathemagician Arthur Benjamin and his amazing mental Math feats. Benjamin is a master of doing arithmetic in his head with lots of digits involved. In particular, he's able to square a 5-digit number without writing down partial results. How does he do it? I picked ...
Posted in Trick, Fast Arithmetic, Algebra | 10 Comments »
Monday, January 28th, 2008
Check out this page!
SHARETHIS.addEntry({
title: "Don't fail your next Math test if you have this teacher ...",
url: "http://wildaboutmath.com/2008/01/28/dont-fail-your-next-math-test-if-you-have-this-teacher/"
});
Posted in Fun, Homework help, Humor | 6 Comments »
Monday, January 28th, 2008
This article is different from others as it discusses my early experiences with microcomputer programming. The article is, however, very relevant to this Math blog because it hopes to inspire children of all ages to take a very hands-on approach to learning how calculators do arithmetic, and gives suggestions for ...
Posted in Computers | 7 Comments »
Saturday, January 26th, 2008
I know that this blog is doing really well when I'm attracting some very high caliber comments, many of which deserve their own posts to address.
Here are some comments worthy of mention:
1. Efrique made the connection between nomograms and the odd way a parabola can be used to perform multiplication ...
Posted in Uncategorized | 3 Comments »
Thursday, January 24th, 2008
In a twist on reminiscing on old popular posts from the previous year I present some of my early posts that I thought were particularly interesting but you didn't. I like to believe that's because not many of you knew about this blog when I started it October 6th.
Just think ...
Posted in Uncategorized | 5 Comments »
Tuesday, January 22nd, 2008
I imagine that many of you are familiar with this remarkable mathematical equation that incorporates what are arguably the five most important mathematical constants into one equation. Yes, phi is missing from this equation. I've been reading this fascinating book, Where Mathematics Comes From. Wikipedia has an article about the ...
Posted in Geometry, Algebra | 3 Comments »
Sunday, January 20th, 2008
In 1956 Robert Abbott invented a game he called Eleusis. In 1959 Martin Gardner popularized the game in his Scientific American column. Eleusis is what's called an "induction game" which means that players need to try to induce the rules of the game. Inductive games are compared to deductive games, ...
Posted in Game | 9 Comments »
Saturday, January 19th, 2008
A couple of Carnival things:
1. The Carnival of Homeschooling came out a few days ago with two Math posts:
HappyCampers presents a delightful way to learn mathematics; Here's a fun group Math activity using the shoes on your feet! Happy Campers said, "We did this with our 4 & 5 year ...
Posted in Blog Carnival | 4 Comments »
Thursday, January 17th, 2008
There's an interesting web-site, brainetics.com, that is all about doing mental Math quickly. I have to confess that while I know quite a few mental Math tricks and while I've written quite a number of posts and made several videos about mental Math tricks I'm not particularly fast at applying ...
Posted in Game, Fun, Fast Arithmetic | 6 Comments »
Wednesday, January 16th, 2008
Here's what you've all been waiting for, the third episode of Math Girl, fresh from YouTube.
I wrote about "Math Girl" when I first discovered her.
Without further ado, here's Math Girl.
[youtube]http://www.youtube.com/watch?v=mTomRm23KKs[/youtube]
For your convenience, here are episodes 1 and 2. Enjoy.
Math Girl 1 - Differentials Attract
[youtube]http://www.youtube.com/watch?v=UAizQH9wjSI[/youtube]
Math Girl 2 -Zero's Dis-Continuity
[youtube]http://www.youtube.com/watch?v=0MKquM3VlLo[/youtube]
SHARETHIS.addEntry({
title: "Math Girl ...
Posted in Fun | No Comments »
