Mastering Numbers: Everyday Mathematics Made Simple

Mastering Numbers: Everyday Mathematics Made Simple

by Andrew Jeffrey
Mastering Numbers: Everyday Mathematics Made Simple

Mastering Numbers: Everyday Mathematics Made Simple

by Andrew Jeffrey

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Overview

The perfect antidote to numbers-phobia, this clear, concise guide explains everything you need to know about arithmetic, fractions, statistics, probability, algebra and geometry.

We all use numbers every day, yet many people are uncomfortable with them, finding them daunting and difficult. Others treat numbers as a practical tool they can handle quite well, while failing to appreciate their most amazing qualities.

This book is the antidote to number-phobia. As with learning to swim, youʼll never look back: these are skills youʼll use for the rest of your life. If you think youʼre good with numbers already, youʼll soon discover what youʼve been missing: the endless fascination and beauty of numbers, and – at the more practical level – a whole range of techniques and shortcuts you never knew existed.
Mastering Numbers brings the subject to life, replacing the atmosphere of the classroom with the wonder of the magicianʼs workshop. In learning to enjoy numbers, we discover a multitude of practical skills – everything from understanding statistics and the odds gamblers face to the interest rates on savings and ways to maximise your returns. Never again need you flounder in a business meeting or an encounter with your bank manager – and if the chance arises to chat to him more casually, you could impress with stories about pi, prime numbers, Fermatʼs theorem, and much else besides.

Full of enjoyable exercises, puzzles, demonstrations and self-testing interludes, this is a book to instruct and give pleasure.

Product Details

ISBN-13: 9781786781918
Publisher: Watkins Media
Publication date: 12/18/2018
Sold by: Penguin Random House Publisher Services
Format: eBook
Pages: 160
File size: 2 MB

About the Author

Andrew Jeffrey bills himself as The Mathemagician. He taught mathematics for twenty years and is also a professional magician, and combines these two skills in such presentations as “The Magic of Maths”, a show for schools. His previous books include 100 Top Tips for Maths Teachers and Magic for Kids of all Ages.

Table of Contents

Introduction 10

1 Numbers: Fearsome Or Fun? 17

The trouble with numbers 18

Numbers as a concept 23

How numbers behave 25

Number patterns 28

Progress? 34

2 Clear-Headed Calculating 39

All in your head 40

Developing your mental muscles 45

The electronic brain 48

Magic maths: 6801 50

Conversion benchmarks 52

Fibonacci 54

3 Number Relationships 59

Parts of a whole 60

Mentally calculating percentages 65

Ratios and proportions 67

The golden ratio 72

Meaningful averages 76

A is for algebra 80

Number bases 84

Interlude: Famous Mathematicians 88

4 Everyday Mathematics 93

Market forces 94

The value of estimating 98

Savings and loans 101

The money market 104

Navigation 108

5 Numbers: Can You Really Count On Them? 113

Statistics: should we trust them? 114

It's all a matter of scale 118

Chance and probability 120

The Monty Hall problem 124

What are the odds? 126

6 The Wonder Of Numbers 131

Zero: something and nothing 132

Prime numbers 135

Codes: a mathematical enigma 138

Utter chaos! 140

Discovering fractals 142

A world without numbers? 143

Into the world of the unreal 145

Solutions 148

Further reading 157

Author's website 158

Acknowledgments 158

Picture credits 159

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