Review: Train Your Brain: A Year’s Worth of Puzzles
Updated: 2011-06-30 04:15:25
: : Wild About Math Making Math fun and accessible Home About Articles Math contest problem links Videos Review : Train Your Brain : A Year’s Worth of Puzzles June 29th , 2011 by Sol Some books are hard to review . This one isn’t . Train Your Brain : A Year’s Worth of Puzzles is the kind of book where you look at a few of its puzzles . If they intrigue you , you’ll like the book . Simple . enough Here’s one . puzzle Knight on the Chess Board . We would like to move a knight across the chess board so that we go from the lower-left corner to the upper right corner , landing in the process on each square exactly once . Is this problem solvable This is a great puzzle that I’ll use in my Math circles . It’s a nice little exploration and it generalizes well to make it harder for folks who solve
Wild About Math Making Math fun and accessible Home About Articles Math contest problem links Videos 13 surprising Fibonacci appearances June 27th , 2011 by Sol One of my great Math heroes , James Tanton , has written a great essay that provides thirteen examples of the Fibonacci sequence appearing in strange and unexpected . places I have YouTube videos presenting some surprising appearances of the Fibonacci numbers and I’ve been tweeting little puzzlers about the Fibonacci numbers for some time . Here , at long last , is my list of Fibonacci results , and a clever way to prove them all . Some of these puzzlers are classic , some are new to the world . 8221 If you enjoyed this post , make sure you subscribe to my RSS feed Post a Comment Name E-mail will not be published Website Notify me
KidsMathBlog Easy To Follow Guide , Worksheets Tips For Parents Teachers About Math For Kids What Are The Decimal Place Values There are tons of different types of games and skill to exercise from addition and subtraction to decimals and place value and more . In place values for decimals worksheet , students detect the place values from tenths to thousandths and round off numbers to the place values in the . directions Nevertheless , decimal place value were being known been spread from old China , wherein The Han Dynasty is where the earliest place value decimal system was developed . It is considered that the ancient Chinese people used a special board and a set of rods to realize the concept . They would certainly use nine different symbols and a blank space on the board to indicate
My schedule has been topsy-turvy recently. It’s 3:30 PM and I’m just beginning to draft this week’s diary post. And, much as I would like to put out a technical post this Monday, I’m not sure it will happen. I have learned that when I have trouble putting out a post… when I just can’t [...]
Skip to Navigation about Plus support Plus Plus sponsors subscribe to Plus terms of use Search this site : The philosophy of applied mathematics by Phil Wilson Submitted by mf344 on June 24, 2011 in constructivist mathematics logic mathematical reality philosophy of mathematics platonism I told a guest at a recent party that I use mathematics to try to understand migraines . She thought that I ask migraine sufferers to do mental arithmetic to alleviate their symptoms . Of course , what I really do is use mathematics to understand the biological causes of . migraines My work is possible because of a stunning fact we often overlook : the world can be understood mathematically . The party goer's misconception reminds us that this fact is not obvious . In this article I want to discuss a big
Skip to Navigation about Plus support Plus Plus sponsors subscribe to Plus terms of use Search this site : Speaking maths Submitted by mf344 on June 21, 2011 in mathematical reality mathematics and language psychology We often think of mathematics as a language , but does our brain process mathematical structures in the same way as it processes language A new study published in the journal Psychological Science suggests that it does : the process of storing and reusing syntax works across different cognitive domains , of which maths and language are just particular examples . Neuroscientists have previously found evidence suggesting a link between maths and language , but according to the authors of the study this is the first time we've shown it in a behavioral set-up . How does our brain
I feel like I’ve been stirring pots, instead of actually cooking. I’m messing around with a lot of things, but finishing none. Mostly, I’ve continued playing with color. Mathematica®’s PieChart command is extremely convenient for displaying a palette of colors. Even better, it’s extremely convenient for displaying the two color wheels (the artist’s color wheel [...]