Archive for January, 2008
Monday, January 14th, 2008
Games and Math go really well together, although a lot of people don't make that connection. Math really can be fun if some of its principles are taught through games. We see this in quite a number of free and commercial video games that teach math concepts, typically through solving ...
Posted in Game, Fun | 38 Comments »
Saturday, January 12th, 2008
There are numerous introductions to Vedic mathematics on the web. I won't be doing a general introduction to Vedic Math now. In this article I want to explore one particular Vedic mathematics technique, using something called bases, to optimize certain multiplication problems.
This technique is extremely powerful and it takes getting ...
Posted in Fast Arithmetic, Algebra | 8 Comments »
Saturday, January 12th, 2008
The 24th Carnival of Mathematics is available at Ars Mathematica.
There are 13 articles in this edition including submissions from bloggers who are new to me.
Check it out.
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Posted in Blogroll | No Comments »
Thursday, January 10th, 2008
Professor Robin Wilson of Gresham College has delivered a number of outstanding lectures, mostly about historical mathematical subjects, that are available from the College's web-site. The lectures are viewable by Real Player and there are transcriptions in PDF format and lecture notes available. The lectures I've watched are a half ...
Posted in Uncategorized | 1 Comment »
Thursday, January 10th, 2008
Denise and I had Math-related articles published in the latest Carnival of Homeschooling:
Denise offers middle school and high school students some Puzzles for the New Year, posted at her popular and useful blog Let’s play math!.
Sol reviews a math resource written by a homeschooling parent (one that I think I ...
Posted in Blog Carnival | 3 Comments »
Monday, January 7th, 2008
I know Maria Miller through her Homeschool Math Blog. As a fellow Math blogger I like to know what others in my community are up to so I follow her blog along with others. I'm also aware that Maria has a series of Math worktexts (workbook + textbook) and worksheets ...
Posted in Reviews, Geometry | 8 Comments »
Sunday, January 6th, 2008
Last November I proposed to exchange blog reviews with other Math bloggers as a way to get our blogs a wider audience. In that same post I threatened to review the blogs I like if I got no takers. Well, I've gotten no takers to date and I'm making good ...
Posted in Reviews | 2 Comments »
Friday, January 4th, 2008
There are a number of items I want to write about but each one is not a post's worth so I'll just list them out Vlorbik-style.
The Carnival of Homeschooling #105 - 2nd anniversary edition is out. Here are the comments on the Math-related posts from the editor of that Carnival ...
Posted in Blog Carnival | 2 Comments »
Wednesday, January 2nd, 2008
Here is one of my very favorite Math tricks that's sure to impress your friends (and yourself the first time you try it). I learned this trick over 30 years ago and amazingly enough I still remember it.
Take 16 index cards and prepare them as follows:
Make a diagonal cut at ...
Posted in Trick, Fun | 18 Comments »
Tuesday, January 1st, 2008
To start out the new year I came up with this little puzzle, in two parts. This puzzle makes a nice little Math exploration.
What is the sum of the digits in all of the integers between 1 and 2008 inclusive?
The second part of the problem is harder than the first ...
Posted in Puzzle | 22 Comments »
