In another channel called 2d7182818, he/she has proposed six methods, concerning a math puzzle of changing 2718 2818 to 2009 in a mathematical way. It took me 9 minutes 33 seconds to come up with the 7th method and so I’d like to share with others. Duration : 0:3:13 addthis_url = ‘http%3A%2F%2Fwww.amusingmathpuzzles.com%2Fmath-puzzles%2Fre-2718-2818-to-2009′; addthis_title = ‘Re%3A+2718+2818+to+2009′; [...]
Jan 172009
I’ve tried to relate a number of 9′s to some meaningful number, such as the number of this year, 2009. I intend to let people appreciate the very simple tool of mathematics, which can show their myriad of changes of use. This problem is only a vehicle to give people the taste of the skill [...]
Jan 112009
Moving math off the page and onto the stage – Arithmetickles show is 100% audience participation. Special shows for K-2; 3-5; 6-8 Duration : 0:10:5 addthis_url = ‘http%3A%2F%2Fwww.amusingmathpuzzles.com%2Fmath-is-fun%2Fmath-fun-arithmetickles’; addthis_title = ‘Math+%2B+Fun+%3D+Arithmetickles’; addthis_pub = ”; Technorati Tags: arithmetic, arithmetickles, assembly, elementary, entertainment, kids, math, school, show
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