I Used to Know That: Maths

Summary:

If memories of learning algebra bring you out in a cold sweat and thoughts of quadratic equations cause you feelings of fear and dread, I Used to Know That: Maths can help.

A light-hearted and informative reminder of the things that we learnt in school but have since become relegated to the backs of our minds, this book will help you to brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras' theorem to triangle areas and angles. It can be used a practical guide to turn to when an answer is eluding you, from helping a child with homework to calculating change or understanding statistics.

I Used to Know That: Maths is a fun and accessible way to re-visit all those useful tips and maths tricks that you have forgotten from your school days.

If memories of learning algebra bring you out in a cold sweat and thoughts of quadratic equations cause you feelings of fear and dread, I Used to Know That: Maths can help. A light-hearted and informative reminder of the things that we learnt in school but have since become relegated to the backs of our minds, this book will help you to brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras' theorem to triangle areas and angles. A practical guide to turn to when an answer is eluding you, from helping a child with homework to calculating change or understanding statistics. I Used to Know That: Maths is a fun and accessible way to re-visit all those useful tips and maths tricks that you have forgotten from your school days.

Sales points:

Following on from the huge success of I Used to Know That, which has now sold over 170,000 copies to date
Each new volume delves into one of five different subjects to provide a compilation of bite-sized chunks of information you used to know
Light-hearted but informative, each book is written to O Level standard by an expert, specifically for the layperson
The perfect way to brush up on all the most important rules, facts, people, theories, equations, phrases, sayings and much more
Series Editor, Caroline Taggart, is the best-selling author of I Used to Know That, An Apple a Day and My Grammar and I

About the Author:

Chris Waring

Chris Waring studied for a degree in Mechanical Engineering at Imperial College, London before becoming a maths teacher. Since then he has taught small children and Oxbridge candidates and everybody in between. He is the author of An Equation for Every Occasion, Maths in Bite-sized Chunks and From Zero to Infinity in 26 Centuries, also published by Michael O’Mara Books.