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# Posts

### April 25, 2015

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Originally posted on Chinese Tuition Singapore:淮安民间传说着一则故事——“韩信点兵”，其次有成语“韩信点兵，多多益善”。韩信带1500名兵士打仗，战死四五百人，站3人一排，多出2人；站5人一排，多出4人；站7人一排，多出6人。韩信马上说出人数：1049。 Translation: In Ancient China, there was a General named Han Xin, who led an army of 1500 soldiers in a battle. An estimated 400-500 soldiers died in the battle. When […]

### April 24, 2015

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02:04 As I will be taking over Doug’s blog, I thought I’d tell you a bit about myself and what I hope to cover in future posts. Feel free to make requests for topics in the comments area at any time.   ... read more >>
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Jiro's pick this week is JSONlab by Qianqian Fang. Recently, I've been working quite a bit with JSON files. I needed a way to read the files and parse out some content. With structured files like these, it's not terribly difficult ... read more >>
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CLICK HERE TO ENTER FIVE lucky winners will be chosen to receive my Focus On Fractions Series Ultimate Package PLUS there might be "more" being added to the pot as the month progresses ALSO Contributing to this Giveaway: Chandra Martin from PowerPoint Gaming is sharing Find the Star – Multiplying 3 Digit by […] Related Math Games: Mental Math Teaching Tips BUZZ – A Math Activity to Fill 5 Minutes Old Maid Math

### April 23, 2015

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Another post from Tap Into Teen Minds. Enjoy! A bunch of candies spill out on the table. Students will explore solving systems of equations to determine how many of each colour there are. The post Counting Candy Sequel appeared first on Tap Into Teen Minds.
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Que mejor manera de celebrar la Diada de Sant Jordi (día del libro y la rosa en Catalunya) que ofreceros una pequeña selección de libros de matemáticas para maestros y alumnos, elaborada por Judit, la matemática de Sangakoo a partir de la lista publicada por Creamat. Aunque para ser sinceros los títulos son aptos para […]
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Originally posted on Math Online Tom Circle:Answer (scroll down) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .…

### April 22, 2015

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Originally posted on Math Online Tom Circle:Originally posted on Math Online Tom Circle: View originalFiled under: Uncategorized
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Do you watch movies on Netflix? Binge-watch TV series? Do you use their movie recommendations? Today's guest blogger, Toshi Takeuchi, shares an interesting blog post he saw about how Netflix uses machine learning for movie recommendations.... read more >>

### April 21, 2015

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The trailers for the new Star Wars movie (Star Wars: The Force Awakens) introduced a new Droid called BB-8. This curious little guy features a spherical body and a controlled instrumented head. More recently, the BB-8 droid was showcased in a Star Wars celebration event and to many people’s surprise it is real and not a CGI effect! We have a Sphero robot from Orbotix here at the office, and there was an immediate connection between BB-8 and the Sphero. All that remains is to add the […]
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For those of you who don’t know, PTC’s...
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Agradecemos a Pere Monràs de Helix3C éste artículo sobre cómo vemos “la educación del futuro”, el primero de una serie de entradas que os iremos ofreciendo semanalmente en el blog de Sangakoo. Esperamos que todos ellos den mucho que hablar y reflexionar ;) ¡Que lo disfrutéis! —- Un buen trabajo el realizado desde hace más de 20 años y […]
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What do genealogy, linear algebra, and the Raspberry Pi have in common? Not much, but they come together in this diverse and engaging assortment of books by the international community of authors employing Wolfram technologies in their work. Raspberry Pi for Dummies, second edition The second edition of Sean McManus and Mike Cook’s collaborative book [...]

### April 20, 2015

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Wir setzen unsere Vorstellung der themenspezifischen Materialien für Kinder heute mit der ebenen Geometrie fort. Unsere Navigation nach Alter der Kinder hilft Ihnen bei der besseren Auswahl zur Förderung des ebenen Vorstellungsvermögens.Fokus: Das Thema „Ebene Geometrie (2D)“ für Kinder von 3 bis 12 Jahren.
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The origins of this week’s Web Sketchpad model date back to the  Connected Geometry curriculum from the mid 1990s. I was one of the co-authors of the curriculum, working at Education Development Center with a  wonderful team of math educators (Al Cuoco, Paul Goldenberg, and June Mark, among others) to develop a habits of mind approach […]
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Originally posted on Math Online Tom Circle:[Hint]: Think out of the box… Answer below (scroll down) . . . . . . . . . . . . . . . . . . . . . . .…
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We all know by now Singapore Math is not easy, but here is the viral Singapore Math problem that took the world by storm! Question: Albert and Bernard just became friends with Cheryl, and they want to know when her … Continue reading →

### April 19, 2015

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Translation: [The world’s most mysterious number is 142857.] It is found in the ancient Egyptian Pyramids. 142857 x 1=142857 142857 x 2=285714 142857×3=428571 142857×4=571428 142857×5=714285 142857×6=857142 142857×7=999999 Amazing? Each multiple is a cyclic permutation of the original numer 142857. You … Continue reading →
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Another post from Tap Into Teen Minds. Enjoy! There are candies on the table. How many candies should each of four people receive if you know how many there are in two thirds of the whole? The post Counting Candies appeared first on Tap Into Teen Minds.
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Rajesh Kumar ThakurRajesh Kumar Thakur currently works as a Director at the National Vedic Maths Academy, a branch of the All India Ramanujan Maths Club, Gujarat. He has been teaching secondary and senior secondary school students for the past 14 years and has written more than 30 books and around 100 mathematical articles and dozens of research papers in national and international journals. To popularize Vedic Mathematics, he has thus far conducted more than 250 seminars in […]

### April 17, 2015

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Although in Singapore currently doctors and lawyers are the top jobs, the trend is changing, starting with the most technologically advanced country – America. 3 of the top jobs in America are about Math. As the world becomes more dependent … Continue reading →
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Will's pick this week is nasa/T-MATS by Jeffryes. Of the many courses you get to take as an aerospace engineer, a couple of my favorite were thermodynamics and propulsion. Propulsion is one of the trickier aspects of aerospace engineering; it's the leading cause of failures in launch vehicles. Because it's such... read more >>
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Originally posted on Math Online Tom Circle:Three Chinese Fields Medalists so far: 1. ST Yau (丘成桐): HK-USA, Harvard Dean of Maths. 2. Terence Tao (陶軒哲): Australia-USA (Parents immigrants from HK), UCLA Math Professor. 3. Ngo Bao Chao (吳宝珠): Vietnam-France,…
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Another post from Tap Into Teen Minds. Enjoy! This is just the beginning of what we believe to be an exciting project to redefine what it means to assess students in the 21st century - JOIN US! The post Let’s Make An Online Assessment Tool That Rocks! appeared first on Tap Into Teen Minds.

### April 16, 2015

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Did you know that more than 8,000 of your mathematics education peers attend National Council of Teachers? What a great opportunity to have some fun! Buzzmath #NCTMDance contest sparks the premier math education event of the year. We challenged NCTM Boston attendees to perform a math function of their choice to win premium classroom subscription […]
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Originally posted on Math Online Tom Circle:费马大定理 Fermat’s Last Theorem (FLT): 17世纪业余数学家法国大法官费马开的一个”玩笑”, 推动350年来现代数学突飞猛进。 FLT 数学长征英雄人物: 1. Fermat (费马 1601@ Toulouse, France) 2. Galois (伽罗瓦): Group Theory (群论) 3. Gauss (高斯) 4. Cauchy (柯西) Lamé (拉梅) Kummer (库马) 5. Solphie…
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The Wolfram Cloud Needs to Be Perfect The Wolfram Cloud is coming out of beta soon (yay!), and right now I’m spending much of my time working to make it as good as possible (and, by the way, it’s getting to be really great!). Mostly I concentrate on defining high-level function and strategy. But I [...]
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The Wolfram Cloud Needs to Be Perfect The Wolfram Cloud is coming out of beta soon (yay!), and right now I’m spending much of my time working to make it as good as possible (and, by the way, it’s getting to be really great!). Mostly I concentrate on defining high-level function and strategy. But I [...]
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Let’s factorise! That sounds like a workout, doesn’t it? But there’s nothing strenuous about factorising. The term factorise is used in the UK instead of its American counterpart, factor. The activity, Factor Expressions with Rational Coefficients, is about just that…factorising, or factoring expressions! This activity uses the Distributive Property to factor and expand algebraic linear […]

### April 15, 2015

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Wolfram|Alpha’s Facebook analytics ranks high among our all-time most popular features. By now, millions of people have used Wolfram|Alpha to analyze their own activity and generate detailed analyses of their Facebook friend networks. A few years ago, we took data generously contributed by thousands of “data donors” and used the Wolfram Language’s powerful tools for [...]