Multiply Numbers By Drawing Lines
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| Author | : Presh Talwalkar |
| Publisher | : |
| Total Pages | : 96 |
| Release | : 2014-09-01 |
| Genre | : |
| ISBN | : 9781500866143 |
In May 2014, Presh Talwalkar made a YouTube video about how to multiply numbers by drawing lines. By the end of the month, the video received over a million views.Multiplying by lines is an innovative visual method to multiply numbers. It works like magic and gets people excited about math.This book illustrates how you can multiply by lines, enumerates the precise steps in the process, and offers examples of how to use the method. There are also novel applications of how one diagram can solve additional problems and how multiplying by lines can be used for algebraic expressions. The book includes 35 exercises with solutions.
| Author | : Denise Gaskins |
| Publisher | : Tabletop Academy Press |
| Total Pages | : 288 |
| Release | : 2012-09-04 |
| Genre | : Education |
| ISBN | : 1892083248 |
| Author | : MICHELLE. MANES |
| Publisher | : |
| Total Pages | : |
| Release | : 2018 |
| Genre | : |
| ISBN | : |
| Author | : Ben Orlin |
| Publisher | : Black Dog & Leventhal |
| Total Pages | : 556 |
| Release | : 2018-09-18 |
| Genre | : Mathematics |
| ISBN | : 0316509027 |
A hilarious reeducation in mathematics-full of joy, jokes, and stick figures-that sheds light on the countless practical and wonderful ways that math structures and shapes our world. In Math With Bad Drawings, Ben Orlin reveals to us what math actually is; its myriad uses, its strange symbols, and the wild leaps of logic and faith that define the usually impenetrable work of the mathematician. Truth and knowledge come in multiple forms: colorful drawings, encouraging jokes, and the stories and insights of an empathetic teacher who believes that math should belong to everyone. Orlin shows us how to think like a mathematician by teaching us a brand-new game of tic-tac-toe, how to understand an economic crises by rolling a pair of dice, and the mathematical headache that ensues when attempting to build a spherical Death Star. Every discussion in the book is illustrated with Orlin's trademark "bad drawings," which convey his message and insights with perfect pitch and clarity. With 24 chapters covering topics from the electoral college to human genetics to the reasons not to trust statistics, Math with Bad Drawings is a life-changing book for the math-estranged and math-enamored alike.
| Author | : Laurence Sigler |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 736 |
| Release | : 2012-12-06 |
| Genre | : Mathematics |
| ISBN | : 1461300797 |
First published in 1202, Fibonacci’s Liber Abaci was one of the most important books on mathematics in the Middle Ages, introducing Arabic numerals and methods throughout Europe. This is the first translation into a modern European language, of interest not only to historians of science but also to all mathematicians and mathematics teachers interested in the origins of their methods.
| Author | : Ivan Pastine |
| Publisher | : Icon Books |
| Total Pages | : 273 |
| Release | : 2017-03-02 |
| Genre | : Mathematics |
| ISBN | : 1785780832 |
When should you adopt an aggressive business strategy? How do we make decisions when we don't have all the information? What makes international environmental cooperation possible? Game theory is the study of how we make a decision when the outcome of our moves depends on the decisions of someone else. Economists Ivan and Tuvana Pastine explain why, in these situations, we sometimes cooperate, sometimes clash, and sometimes act in a way that seems completely random. Stylishly brought to life by award-winning cartoonist Tom Humberstone, Game Theory will help readers understand behaviour in everything from our social lives to business, global politics to evolutionary biology. It provides a thrilling new perspective on the world we live in.
| Author | : Presh Talwalkar |
| Publisher | : |
| Total Pages | : 142 |
| Release | : 2015-09-21 |
| Genre | : |
| ISBN | : 9781517319304 |
This book contains 40 delightful paradoxes. Here is a small sampling.LOGIC: Is it ever right to ask the question: "May I disturb you?" The very act of asking will disturb the person. And yet, I simply can't know if it's correct to ask the question unless I actually ask the question!PROBABILITY: In 2007, the college football team USC was ranked as 7th in the Harris poll, 6th in the USA Today poll, and 6th in the computer rankings. And yet, when the three polls were averaged, USC ended up as being ranked as the 5th best team overall. How is that possible?GAME THEORY: You play game A that is a losing bet. You also play game B that is a losing bet. Yet when you play games A and B alternately that is a winning bet. How can two losing games combine to make a winning game?
| Author | : Jakow Trachtenberg |
| Publisher | : Souvenir Press |
| Total Pages | : 272 |
| Release | : 2011-03-01 |
| Genre | : Mathematics |
| ISBN | : 0285639951 |
Ever find yourself struggling to check a bill or tax on a payslip? The Trachtenberg Speed System provides a course in refining basic mathematics skills to tackle large sums before simplifying to increase concentration and ability in day-to-day arithmetic. The Trachtenberg system has been described as the 'shorthand of mathematics' and only requires the ability to count from one to eleven. Using a series of simplified keys, it allows anyone to master numbers and calculations giving greater speed, ease in handling numbers and increasing accuracy. Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate. He devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed. A perfect entry into gaining confidence with numbers.
| Author | : Presh Talwalkar |
| Publisher | : |
| Total Pages | : 164 |
| Release | : 2015-01-31 |
| Genre | : |
| ISBN | : 9781507796511 |
Can you multiply 35x35 in your head? That is, can you square the number 35?There's a mental math trick so that you can easily square any number ending in 5. Here's how the trick works.Look at the first digit of 35, which is the number 3. We add one to that number, 4, and then multiply those two numbers together. So we have 3x4 = 12, and these are the leading digits of the answer.Now we just write 25 as the last two digits, so we get 1225. And that's it! We have calculated 35 squared is 1,225 in an amazingly simple way!Math does not have to be hard. The Best Mental Math Tricks is a collection of methods that can help you become a lightning calculator. You will learn how to solve daily problems like calculating percentages and figuring out which day your birthday is every year. Then you will learn how to square numbers, multiply numbers, divide numbers, and even solve complex problems like calculating the cube root of numbers in your head!Each method is explained in detail with numerous examples. Every method is mathematically justified with a formal proof. Each section also contains practice problems accompanied with complete solutions so you can try the method and check your work.
| Author | : Hang Young Pai |
| Publisher | : |
| Total Pages | : 340 |
| Release | : 1981 |
| Genre | : Mathematics |
| ISBN | : |
