Archive for the ‘Fast Arithmetic’ Category
Wednesday, December 5th, 2007
It's reminiscent of those Planet of the Apes movies. Apes are smart. Humans are stupid.
ScienceDaily just ran this article: Young Chimps Top Adult Humans in Numerical Memory. Young chimps and adult humans played this game where some numbers were displayed on a screen in some, I'm-sure, hard to remember order ...
Posted in Fun, Fast Arithmetic, Education | 3 Comments »
Saturday, December 1st, 2007
I've produced a second mathcast, this one using Camtasia screen recorder. I've posted the mathcast on You Tube and you can watch it right here without leaving the blog. This video shows you how to quickly multiply together a pair of two digit numbers without having to write down the ...
Posted in Mathcast, Fast Arithmetic | 16 Comments »
Thursday, November 29th, 2007
Ever since starting this blog a couple of months ago I have felt that text and graphics could only go so far in helping people to get wild about Math. I knew that video was the next step in helping to explain mathematical ideas and in getting more people engaged ...
Posted in Mathcast, Fast Arithmetic | 11 Comments »
Friday, November 23rd, 2007
Judging by the comments I've received on the blog there's a good amount of interest in techniques for simplifying and speeding up basic arithmetic. This is great because I enjoy learning and writing about these techniques.
Jakow Trachtenberg was a Ukranian mathematician who, while imprisoned in a Nazi concentration camp during ...
Posted in Fast Arithmetic | 6 Comments »
Sunday, November 11th, 2007
See Math tricks on video at the Wild About Math! mathcasts page.
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Being able to perform arithmetic quickly and mentally can greatly boost your self-esteem, especially if you don't consider yourself to be very good at Math. And, getting comfortable with arithmetic might just motivate you to dive deeper into other ...
Posted in Fast Arithmetic | 133 Comments »
Sunday, November 4th, 2007
I have to confess, one of my secret addictions is scouring Math books for novel approaches to solving old problems. I especially like to look for these fresh approaches in, ironically enough, old books.
Last night I was perusing a little book: "The Master System of Short Method Arithmetic and Mechanical ...
Posted in Fast Arithmetic | 22 Comments »