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sábado, 31 de maio de 2014

Fractions = Trouble!

Claudia Mills e G. Brian Karas

 Square Fish | 2012 | 144 páginas | rar - epub | 895 kb

link (password: matav)

If Wilson Williams thought multiplication was difficult, he is finding fractions impossible. And when his parents hire a math tutor for him, he is sure he's the only kid in the history of Hill Elementary to have one. Wilson is determined to make sure that no one finds out, not even his best friend, Josh. At least his pet hamster, Pip, is sympathetic. Pip is going to be part of Wilson's science fair project, because any project with hamsters in it is bound to be wonderful. But Josh has the coolest project of all: at what temperature does a pickle explode? Unfortunately, it looks as if Wilson's secret may end up exploding their friendship.
Claudia Mills' Fractions = Trouble is a fun and thoroughly relatable story that Kirkus Reviews calls an "excellent selection for early chapter-book readers."

sábado, 26 de abril de 2014

Using Stories to Teach Maths Ages 9 to 11


Steve Way

Andrews UK | 2011 | 112 páginas | RAR - PDF | 4,4 Mb


link (password: matav)

Make the teaching of Maths a more exciting and creative cross-curricular experience! This new series provides original and fun stories, sketches and poems to use as the basis for teaching objectives from the Mathematics Programme of Study. The stories are supported by differentiated lesson plans and original resources such as card games and suggestions for kinaesthetic activities. Ages 9-11 stories include: Sneaky Circles, Hank Bullman rides into Certain City, Space Chase, Mediaevel Mode, Metric Measures Poem, Ratio Poem. The stories have been road-tested in schools and the children thoroughly enjoyed them!

Contents
Introduction 6
Sneaky Circles 9
Hank Bullman rides into Certain City 18
Space Chase 28
Chapter one: Nums and Doms 39
Chapter two: Another Time Bomb (apparently) 43
Chapter three: Planet Factor 47
Chapter four: Currency Conundrums 52
Chapter five: Star Ratio 57
Chapter six: Currency Conundrums 61
Chapter seven: A Whole Range of Averages 64
Chapter eight: Times-Table Trauma 69
Chapter nine: Cornered in Custard, Consumed by a Crocodile and Concerns about Corners 74
Chapter ten: DIY Dilemmas 80
Chapter eleven: The Cops Square up to Megiddio 84
Courtroom conundrums 94
Conundrum One: Prosecuting Percentages and Fighting Fractions 100
Conundrum Two: Decimal Dilemas 108
Percentages, Fractions and Decimals poem 115
Medieval Mode 118
Averages poem 126
Metric Measures poem 127
Ratio poem 129
Yorkshire Challenges 131
Challenge 1: Football Transfer 134
Challenge 2: Film 135
Challenge 3: Writing Competition 136
Challenge 4: Horse Racing 137

Challenge 5: Smuggling 138

Outro livro da mesma colecção:

sábado, 19 de abril de 2014

Do the Math: Secrets, Lies, and Algebra

Wendy Lichtman 

Greenwillow Books | 2008 | 195 páginas | pdf | 796 kb

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Tess loves math because it's the one subject she can trust—there's always just one right answer, and it never changes. But then she starts algebra and is introduced to those pesky and mysterious variables, which seem to be everywhere in eighth grade. When even your friends and parents can be variables, how in the world do you find out the right answers to the really important questions, like what to do about a boy you like or whom to tell when someone's done something really bad?
Will Tess's life ever stop changing long enough for her to figure it all out?

sexta-feira, 18 de abril de 2014

Do the math 2: the writing on the wall


Wendy Lichtman


Greenwillow Books | 2008 | 227 páginas | pdf | 896 kb

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Eighth grade, like algebra, has become pretty complicated for Tess. For one thing, there are the patterns she's noticing everywhere--like how charming-on-the-outside Richard keeps playing scary pranks on her, and how annoying copycat Lynn always has to follow what everyone else is doing. Then there's the pattern of graffiti that keeps appearing on the wall by her school--could those numbers be a code meant for Tess? Is it up to her to find out what they mean? And most importantly, if Damien keeps up with his pattern of waiting for her after school, does it mean he likes her? Or is that just a coincidental system?
Tess looks for formulas to help her figure it all out, but she's afraid there may be none. Sometimes you have to make up your own solutions.
Sometimes, you just have to risk it


Contents
Chapter 1 Patterns 1
Chapter 2 Three Thirds 15
Chapter 3 The Four Fours 28
Chapter 4 Graphs 35
Chapter 5 Formulas 48
Chapter 6 Codes 61
Chapter 7 Collecting Data 69
Chapter 8 Knives and Fires 80
Chapter 9 Absolute Value 93
Chapter 10 Rate of Change 104
Chapter 11 Graphic Stories 113
Chapter 12 The Real Story 127
Chapter 13 Coincidental Systems 135
Chapter 14 No Formulas 150
Chapter 15 Family Patterns 164
Chapter 16 Tessellations 179
Chapter 17 Simplifying Expressions 188
Chapter 18 Δ (Which, in Algebra, Means “Change”) 201
Chapter 19 Probability: What Are The Chances? 210

terça-feira, 1 de abril de 2014

Conned Again, Watson!, Cautionary Tales of Logic, Math, and Probability

 Colin Bruce

Perseus Publishing | 2000 | 290 páginas | pdf | 1,4 Mb


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In these cautionary tales of greedy gamblers, reckless businessmen, and ruthless con men, Sherlock Holmes uses his deep understanding of probability, statistics, decision theory, and game theory to solve crimes and protect the innocent.



Contents
Preface vii
Acknowledgments ix
1 The Case of the Unfortunate Businessman 1
2 The Case of the Gambling Nobleman 19
3 The Case of the Surprise Heir 45
4 The Case of the Ancient Mariner 65
5 The Case of the Unmarked Graves 85
6 The Case of the Martian Invasion 115
7 Three Cases of Unfair Preferment 141
8 The Execution of Andrews l6l
9 Three Cases of Relative Honor 181
10 The Case of the Poor Observer 207
11 The Case of the Perfect Accountant 225
12 Three Cases of Good Intentions 247
Afterword 275

quarta-feira, 26 de março de 2014

Celestial Sleuth: Using Astronomy to Solve Mysteries in Art, History and Literature

Donald W. Olson

Springer | 2014 | 368 páginas | rar - pdf | 18,2 Mb

link (password: matav)

For a general audience interested in solving mysteries in art, history, and literature using the methods of science, 'forensic astronomy' is a thrilling new field of exploration. Astronomical calculations are the basis of the studies, which have the advantage of bringing to readers both evocative images and a better understanding of the skies. 
Weather facts, volcano studies, topography, tides, historical letters and diaries, famous paintings, military records, and the friendly assistance of experts in related fields add variety, depth, and interest to the work. The chosen topics are selected for their wide public recognition and intrigue, involving artists such as Vincent van Gogh, Claude Monet, Edvard Munch, and Ansel Adams; historical events such as the Battle of Marathon, the death of Julius Caesar, the American Revolution, and World War II; and literary authors such as Chaucer, Shakespeare, Joyce, and Mary Shelley. This book sets out to answer these mysteries indicated with the means and expertise of astronomy, opening the door to a richer experience of human culture and its relationship with nature.
Each subject is carefully analyzed. As an example using the study of sky paintings by Vincent van Gogh, the analytical method would include:
- computer calculations of historical skies above France in the 19th century
- finding and quoting the clues found in translations of original letters by Van Gogh
- making site visits to France to determine the precise locations when Van Gogh set up his easel and what celestial objects are depicted.
For each historical event influenced by astronomy, there would be a different kind of mystery to be solved. As an example:
- How can the phase of the Moon and time of moonrise help to explain a turning point of the American Civil War - the fatal wounding of Stonewall Jackson at Chancellorsville in 1863?
For each literary reference to astronomy, it was determined which celestial objects were being described and making an argument that the author is describing an actual event. For example, what was the date of the moonlit scene when Mary Shelley first had the idea for her novel “Frankenstein?”
These and more fun riddles will enchant and delight the fan of art and astronomy.

Contents
Preface vii
Foreword ix
Acknowledgments xiii
Part I Astronomy in Art
1 Monet and Turner, Masters of Sea and Sky 3
2 Vincent van Gogh and Starry Skies Over France 35
3 Edvard Munch: Mysterious Skies in Norway 67
4 Yosemite Moonrises and Moonbows 113
Part II Astronomy in History
5 Moons and Tides in the Battle of Marathon,
Paul Revere’s Midnight Ride, and the Sinking of the Titanic 147
6 Lincoln, the Civil War Era, and American Almanacs 199
7 Th e Moon and Tides in World War II 237
Part III Astronomy in Literature
8 Literary Skies Before 1800 277
9 Literary Skies Aft er 1800 317
Index 351

sábado, 22 de março de 2014

Pythagoras the Mathemagician


Karim El Koussa


Sunbury Press, Inc. | 2010 | 412 páginas | rar - epub | 417 kb

link (password: matav)

Discover who the real Pythagoras was within the pages of this philosophical work of historical fiction. This controversial novel looks at the first philosopher from an unfamiliar perspective to most Western readers and scholars. El Koussa stands in the vanguard of a new generation of writers and thinkers who are bringing the rich and diverse history of the Phoenician culture to a new audience. 

sexta-feira, 21 de setembro de 2012

Using Stories to Teach Maths Ages 4-7


Steve Way

Andrews UK | 2012 | 112 páginas | RAR - PDF | 6,1 Mb

link (password : matav)
uploading.com (password : matav)
20120921ustm

Make the teaching of Maths a more exciting and creative cross-curricular experience!
This new series provides original and fun stories, sketches and poems to use as the basis for teaching objectives from the Mathematics Programme of Study.
The stories are supported by differentiated lesson plans and original resources such as card games and suggestions for kinaesthetic activities.
Ages 4-7 stories include:
* The Numbers learn their Order
* One to Twenty Poem
* How Sir Cylinder saved Prince Pyramid
* The numbers have a Quarrel
* Ten's Problem
* Joins and Splits
* Bernice the Octopus buys a Watch
* All Shapes and Sizes
* My Problem with Pirates
The stories have been road-tested in schools and the children thoroughly enjoyed them!
* Differentiated
* Cross-curricular

Contents
Introduction 6
How the numbers got their shape 9
The numbers learn their order 14
One to Twenty 19
How Sir Cylinder saved Prince Pyramid
from the Cruel Cuboid Creature for Princess Prism 23
The Numbers have a quarrel 27
Ten’s problem 32
Joins and splits 37
Bernice the Octopus buys a watch 45
All shapes and sizes 52
Primitive place value 59
Chariot champions 67
The king-sized take away pizza for the Queen 76
I’m counting on you counting back to subtract! 80
My problem with pirates 81
Exciting times at the “Painthorpe Times” 89
Hugh the ostrich detective and the town clown 92
Sailors setting standards 100
Sailors setting standards II 109

quinta-feira, 6 de setembro de 2012

El tio petros y la conjetura de Goldbach


Apóstolos Doxiadis

online: archive.org
librosmaravillosos.com

PDF

arundanet.com (link direto)

4shared.com
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libgen.info



A través de su sobrino se cuenta la historia de Petros Papachristos, matemático griego que pasa su vida intentando demostrar la conjetura de Goldbach: "Todo nº  par mayor que dos puede escribirse como la suma de dos números primos". El tío Petros es considerado por sus hermanos la oveja negra de la familia pero en cambio ejerce una gran fascinación en su sobrino que también decide convertirse en matemático, algo que no le entusiasma a su tío por lo que intenta disuadirle.

Al contrario de lo que pueda parecer por el título para leer este libro no hace falta saber matemáticas. Es un libro que ya me leí en su día y que he vuelto a leerme ahora y me ha encantado. Encantado es poco, me ha entusiasmado. Lo he cogido con ganas y me lo he leído practicamente en dos días. Es un libro que nos introduce en el mundo de los grandes matemáticos, aquellos que con su mente previlegiada y la consagración de su vida a las matemáticas han conseguido  que se avance en muchos campos. Nos hace ver que esta disciplina es más que los números y los cálculos que nos enseñaban en el colegio. Y todo en forma de novela que te atrapa de principio a fin.

A lo mejor no estoy siendo del todo objetiva, después de todo yo  estudié Matemáticas en la Universidad, pero aun así creo que el libro se puede leer por cualquiera que no tenga ni la más mínima formación en ellas porque realmente es la historia de una vida y puede resultar interesante para ver esta disciplina, que tanto miedo da a todo el mundo, desde otro prisma.

Uncle Petros and Goldbach's Conjecture: A Novel of Mathematical Obsession


Apostolos Doxiadis

Bloomsbury USA | 2001 | 220 páginas | DJVU  | 2,81 Mb

uploading.com
libgen.info

In the tradition of Fermat's Last Theorem and Einstein's Dreams, a novel about mathematical obsession.Petros Papachristos devotes the early part of his life trying to prove one of the greatest mathematical challenges of all time: Goldbach's Conjecture, the deceptively simple claim that every even number greater than two is the sum of two primes. Against a tableau of famous historical figures-among them G.H. Hardy, the self-taught Indian genius Srinivasa Ramanujan, and a young Kurt Godel-Petros works furiously to prove the notoriously difficult conjecture. Decades later, his ambitious young nephew drives the defeated mathematician back into the hunt to prove Goldbach's Conjecture. . . but at the cost of the old man's sanity, and perhaps even his life.

sexta-feira, 27 de março de 2009

O Diabo dos Números


Um livro de cabeceira para todos aqueles que têm medo de matemática
Hans Magnus Enzensberger
(versão brasileira)

Companhia das Letras | 1997 | 272 páginas | pdf | 3,67 MB
4shared.com
slideshare.net
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Descrição: Roberto, um rapazinho de onze anos, não gosta de Matemática porque não compreende nada nas aulas. Porém, uma noite, começa a sonhar com um diabinho que se dispõe a iniciá-lo na ciência dos números.
Durante doze noites, Roberto vai aprender os segredos e os mistérios dos números, numa divertida e instrutiva viagem ao País das Matemáticas.
Tudo se torna então tão fácil que Roberto quer saber cada vez mais — e com ele o leitor deste romance maravilhoso, que é já um grande sucesso internacional.