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How can I exercise,reflect on my teaching, and reduce stress with my busy teaching schedule? The answer just may be found in the hottest fitness craze called the FitBit.It seems everywhere I go these days I see someone wearing a FitBit Activity tracker,and talking about how they enjoy using it. FitBit is a very cool activity tracker that you wear and it records all kinds of data from heart rate,number of steps, distance and calories burned when you wear it. Another really fun feature is […]

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8:05 PM | Penning Pi-kus (Pi Day 2015)

This was my second year to celebrate Pi Day with my students. During my first year of teaching, I fully intended on celebrating Pi Day, but the day ended up being spent at urgent care and in the emergency room. So not fun. This year, I added a new element to our celebration. We wrote pi-kus. The first line of the poem must be 3 syllables. The second line must be 1 syllable. The third line of the poem must have 4 syllables. I didn't count on having […]

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7:38 PM | More Reflective Homework

This year, I have tried to engage my students in a more thoughtful homework process. I don’t think any math teacher, ever, has been satisfied with the way homework works in their class, and I would certainly put myself in that boat. My frustrations in the past have been that students sometimes would do something wrong […]

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Another post from Tap Into Teen Minds. Enjoy!
Jump into a Desmos Math Journey to explore three of the four Representations of Linear Relations: Tables, Graphs and Equations using this investigation.
The post Desmos Math Journey: Representations of Linear Relations appeared first on Tap Into Teen Minds.

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Ravens Offensive Lineman John Urschel Explains His Mathematics Paper: John Urschel:On first read, I understand that simply the title of my new paper – “A Cascadic Multigrid Algorithm for Computing the Fielder Vector of Graph Laplacians” – can be quite daunting. Believe me, I am aware that terms such as multigrid, Fiedler, and vector are not words that people use in their daily lives. With that said, if you would like to understand what exactly this paper is about, the title is a good
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5:19 PM | De rekenles deel 1

We hebben nu 22 opdrachten van de 130 opdrachten nagekeken (17%)Daarbij zijn 36 punten uitgekeerd en 1 sterren toegekend.Er zijn in totaal 13 deelnemers.

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Welcome to this week’s Math Munch! Behold the Sphericon! What is that? Well, it rolls like a sphere, but is made of two cones attached with a twist– hence, the spheri-con! The one in the video is made out of pie (not sure why…), but you can make sphericons out of all kinds of materials. […]

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3:30 PM | Sponsorenlauf (mit Glasknochen)

Schüler aus der Jahrgangsstufe 13 haben einen Sponsorenlauf für einen guten Zweck organisiert. Aufgrund verschiedener Umstände kann der nicht auf einem Sportplatz stattfinden, statt dessen wird um die Schule gerannt – das sind etwa 500 Meter Strecke. Bergauf, bergab. Auch eine Treppe ist dabei. Weil wir eine recht große Schule … Continue reading →

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1:52 PM | The disadvantages of Free Web Hosting

If there’s one thing we’re probably all agreed on, it’s that when it comes to buying and goods and services, value for money is the top priority. From web hosting to wardrobes, digital downloads to doors and windows, when we set out to make a purchase, most of us look beyond the mere price as its ... Read more
Visit the original post The disadvantages of Free Web Hosting for the best experience of reading!

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12:41 PM | In Anteprima, a MECSPE 2015, Il "Guanto" Robotico Per Chi È Affetto Da Patologie Neurologiche

Crediti immagine: Istituto di Biorobotica della Scuola Superiore Sant’AnnaIn anteprima, a MECSPE (26-28 marzo 2015, Fiere di Parma), il "guanto" robotico che aiuta i movimenti di chi è affetto da patologie neurologiche.La 14esima edizione di MECSPE, la fiera internazionale delle tecnologie per l’innovazione, organizzata da Senaf, è, infatti, attualmente in corso a Parma. Tra le tante novità presenti quest’anno, all’interno della Piazza della Robotica & degli
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11:13 AM | On This Day in Math - March 26

“Have you seen the world go around?"Every human activity, good or bad, except mathematics, must come to an end. ~Paul ErdosThe 85th day of the year; 85 is the largest number for which the sum of 12 + 22+32+42+...+n2= 1+2+3+4+.... +M for some M, can you find that M? 85 is the largest such n, but can you find some solutions n,M that are smaller? (Reminder for students, the sums of first n consecutive squares are called pyramidal numbers, the sums of the first n integers are called
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9:24 AM | Curves with Constant Width #3

A curve of constant width is a convex, two-dimensional shape that, when rotated inside a square, always makes contact with all four sides. via Mathematicus

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4:35 AM | $50 and worth every penny.

I’ve had an iPad for years and have used it for making videos on educreations and a few other things. I’ve thought about using it as a remote interactive whiteboard … Continue reading →

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I got a new student today. Today. Eleven weeks before school lets out for summer. At the end of class, the kid told me that was the first time she understood what was going on in math class for as long as she could remember. Her presence, along with some other things I've been thinking about, prompted me to pull out my computer and write what's been on my mind...I teach in one of the lowest paid states for public education teachers. I work with unbelievably dedicated
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11:43 PM | Assessing math vocabulary

Assessing math vocabulary is important because math is a language and if you don’t know the words, you will have difficulty speaking it. Here are a couple of good links on making vocabulary assessments. Link 1 (scroll to the bottom of the page for a list of ideas) Link 2 Link 3 Also remember that […]

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10:54 PM | What Makes a Teacher Outstanding?

Tonight I'm asking you to help me write a blog post. We have all read or heard the research that states that teacher quality is the single most important factor in student success. Not class size, not resources, not even socioeconomic factors. Teacher quality. That has me wondering, how do we define what makes a teacher outstanding? What are the characteristics that an outstanding teacher possesses? Here's where your part comes in. Please think of a teacher you […]

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10:28 PM | Things Teenagers Say: Volume 29

I know I'm super behind on blogging about lots of stuff, but I just had to blog about things teenagers say today. I'll get around to blogging about SXSWedu and Pi Day and all kinds of other fun stuff soon! Promise. I don't know what it was about today, but my students were saying crazy things left and right. Maybe they're always this funny and I get busy and don't realize it, or maybe there was just something in the air today. Either way, enjoy my students and their craziness! I
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I’ve been mulling over how to introduce trigonometry to my geometry students. I think I’ve finally figured out a way that is going to be conceptually deep, and will have kids see the need for the ratios. I don’t know if all of what I’m about to throw down here will make sense upon first […]

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8:25 PM | Subtraction Is So Conceptual

Every year, across all grade levels, I hear (and observe) subtraction being a difficult concept for students. Not just a difficult calculation, but concept. I am not talking about reading a context and knowing if subtraction could be a way to solve it, but instead what is happening when you subtract and how does a […]

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8:09 PM | Mr. Men Poster Pack

I’ve created a fairly basic but effective poster pack of the Math Mr Men. It’s the UK version (trapezium) but you could just take that one out if you wanted. Enjoy. Math Mr Men Poster Pack I’ve also uploaded it … Continue reading →

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كل ما يتعلق بالقيمة المطلقة La valeur absolue
اليكم في ما يلي شرح لمفهوم القيمة المطلقة وتطبيقاتها وخاصياتها مع امثلة للفهم.
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شرح شامل لجميع دروس الجذع مشترك علمي بالاضافة الى سلسلة هائلة من التمارين المحلولة مع الشرح بالفيديو. كما […]

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سلسلة حساب التكامل - س19- Calcul d’intégrale
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ما يلي شرح شامل لجميع دروس الثانية بكالوريا لكل الشعب العلمية بالاضافة الى سلسلة هائلة من التمارين المحلولة مع الشرح بالفيديو. كما يتم اضافة الجديد اسبوعيا وفي بعض الاحيان يوميا. […]

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6:45 PM | A continued fraction experiement

I’m a big fan of continued fractions – especially the many different ways that you can use them to help kids learn elementary math. Right now I’m studying square roots with my younger son and he’s taken quite a liking to continued fractions, too. See yesterday’s project, for example: A surprise square root of 2…

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Today's warm up was this visual pattern:I explicitly asked them to colour in how they saw the pattern growing. So many of my students just count the blocks and don't even look at the pattern itself that I felt that I needed to make sure the connection is being made. Here is where we went with it:I love how this is like a little spiral within the cycle as we talk about rate of change/slope and y-intercept every week, even if our focus at the time is not linear relationships. There is also the
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If you’re reading this blog for the first time, you’re now part of something big. Something special. Something empowering. You’re now part of the MathTwitterBlogosphere. What you do next is completely up to you, but the members of the MTBoS want you … Continue reading →

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3:42 PM | What is a Tensor?

Most people don’t encounter Tensors (the higher level advanced version of Matrices) until they reach senior undergraduate, or even graduate level. What is a Tensor? The best explanation I have ever seen, comes from this video by the author of … Continue reading →

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Given the equation of a plane: ax+by+cz=D, or in vector notation , how do we find the (shortest) distance of a plane to the origin? (When a question asks for the distance of a plane to the origin, by definition … Continue reading →

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Stupiti che 1 non sia primo? Scopriamo insieme perché è "solo" l'unità!Abbiamo già visto come, partendo dai numeri primi, si possa sviluppare un discorso più o meno approfondito sulle fondamenta matematiche. Altrettanto fondamentale, però, si rivela provare a rispondere alla domanda su quale sia il numero primo più piccolo. E', infatti, abbastanza noto come il numero 1 sia stato ora inserito ora escluso dalla lista dei numeri primi, ottenendo in alcuni casi lo status di più piccolo tra […]

Agargun A.G. & Fletcher C.R. (1997). The Fundamental Theorem of Arithmetic Dissected, The Mathematical Gazette, 81 (490) 53-57. DOI: http://dx.doi.org/10.2307/3618768

Crandall R. & Pomerance C.B. (2005). Primes!, Prime Numbers, Prime numbers: a computational perspective 1-82. DOI: http://dx.doi.org/10.1007/0-387-28979-8_1

Caldwell C.K. & Xiong Y. (2012). What is the smallest prime?, Journal of Integer Sequences, 15 arXiv: 1209.2007v2

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Winifred Edgerton Merrill fu la prima americana ad ottenere un dottorato in matematica presso la Columbia University nel 1886. Nella sua tesi sviluppò una rappresentazione geometrica degli infinitesimi in diversi sistemi di coordinate, utilizzando lo jacobiano per per derivare le trasformazioni tra gli integrali nei diversi sistemi.Tra matematica e astronomiaNata a Ripon, nel Wisconsin, il 24 settembre del 1862 da Emmet e Clara Edgerton, si trasferisce con la famiglia a New York intorno al […]

Kelly S.E. & Rozner S.A. (2012). Winifred Edgerton Merrill: "She Opened the Door", Notices of the American Mathematical Society, 59 (04) 504-512. DOI: http://dx.doi.org/10.1090/noti818

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Winifred Edgerton Merrill fu la prima americana ad ottenere un dottorato in matematica presso la Columbia University nel 1886. Nella sua tesi sviluppò una rappresentazione geometrica degli infinitesimi in diversi sistemi di coordinate, utilizzando lo jacobiano per per derivare le trasformazioni tra gli integrali nei diversi sistemi.Tra matematica e astronomiaNata a Ripon, nel Wisconsin, il 24 settembre del 1862 da Emmet e Clara Edgerton, si trasferisce con la famiglia a New York intorno al […]

Kelly S.E. & Rozner S.A. (2012). Winifred Edgerton Merrill: "She Opened the Door", Notices of the American Mathematical Society, 59 (04) 504-512. DOI: http://dx.doi.org/10.1090/noti818

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Direi che oggi pomeriggio è stato un bel respirare, al Palazzo Brera. Cristina Lazzeroni dell'Università di Birmingham è venuta alle 18 (come avevo scritto nel post precedente) per raccontare del bosone di Higgs, del modello standard e di materia e antimateria. E' una sperimentale presso l'esperimento LHCb al CERN, l'esperimento dedicato proprio alla ricerca su uno dei grandi misteri dell'universo: perché in esso c'è un eccesso di materia (e d'altra parte se non fosse così, non ci sarebbe […]

Aaij R., B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, J. Albrecht, F. Alessio, M. Alexander & S. Ali & (2013). First Observation of CP Violation in the Decays of B_{s}^{0} Mesons, Physical Review Letters, 110 (22) DOI: http://dx.doi.org/10.1103/physrevlett.110.221601

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Per i I cieli di Brera, il 24 settembre (domani... scusate per il ritardo nell'annuncio...) alle 18 presso la Sala delle Adunanze dell'Istituto Lombardo nel Palazzo Brera sito in via Brera 28 (Milano), si terrà la conferenza La fisica delle particelle e il Large Hadron Collider: recenti sviluppi e questioni aperte: Cristina Lazzeroni ci introdurrà alla fisica delle particelle e agli studi fatti al Large Hadron Collider del Cern di Ginevra mettendo l’accento su recenti sviluppi come la
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Aad G., J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, S. H. Abidi, M. Abolins, O. S. AbouZeid & H. Abramowicz & (2014). Measurement of the Higgs boson mass from the $H\to \gamma \gamma $ and $H\to Z{Z}^{*}\to 4\ell $ channels in $pp$ collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector, Physical Review D, 90 (5) DOI: http://dx.doi.org/10.1103/physrevd.90.052004

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MindAfterMath tweeted: @MindAfterMath

2015-03-27 03:24:50

CardColm tweeted: @CardColm

Robert Boyle book makes history: http://t.co/m7aJkgKERE @RobertBoyleFRS Highest price ever paid at auction for book by an Irish-born writer

2015-03-27 02:49:47

CardColm tweeted: @CardColm

Everything you ever needed to know about haggis quiche (with a dissection proof from 1994)
http://t.co/QTJGyfBxRx @aperiodical

2015-03-27 02:47:52

ProfNoodlearms tweeted: @ProfNoodlearms

RT @AcademicsSay: "I keep falling asleep every night and to be honest it is interfering with my productivity." - @warmyellowlight

2015-03-27 02:43:05

DrMathochist tweeted: @DrMathochist

RT @rickburin: RT if you have a long history of depression and have never crashed a plane on purpose. http://t.co/d5Q0Z9gBfc

2015-03-27 02:42:25

j_lanier tweeted: @j_lanier

RT @utalaniz: A student this week said this to me: "There's something about our library that just makes me want to read." #happylibrarian #…

2015-03-27 02:28:01

RrrichardZach tweeted: @RrrichardZach

RT @kateljacobson: This budget is not so much a "progressive income tax" as "the rich are almost maybe a little closer to being fairly taxe…

2015-03-27 02:22:59

RrrichardZach tweeted: @RrrichardZach

The biases faced by women in STEM disciplines https://t.co/RrV3XzPI59 by @JoanCWilliams

2015-03-27 02:19:06

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