Maths on the Back of an Envelope - Clever Ways to (Roughly) Calculate Anything

Fast ways of calculating complex maths across a small amount of workings out are made accessible in this entertaining guide to mental maths.

About the author

Rob Eastaway has written or co-written twelve books, including the bestselling Why Do Buses Come in Threes? and Maths for Mums and Dads as well as What Is a Googly?, the acclaimed beginner's guide to cricket. He is the Director of Maths Inspiration, a national programme of theatre-based lecture shows for 15-17 year olds that has reached over 150,000 teenagers since it began in 2004.
Rob regularly gives talks to all age groups in primary and secondary schools, appears on BBC Radio 4's current affairs/ numbers programme More or Less, and works closely with National Numeracy, the national charity that campaigns for better adult numeracy.
In 2017, Rob received the Zeeman medal for excellence in communication of maths to the general public.

Product details

• Authors: Rob Eastaway, Eastaway Rob
• Publisher: Harper Collins Uk
• Languages: English
• Product format: Hardback
• Released: 31.10.2019
• EAN: 9780008324582
• ISBN: 978-0-00-832458-2
• No. of pages: 208
• Dimensions: 135 mm x 205 mm x 18 mm
• Subjects: Natural sciences, medicine, IT, technology > Mathematics > Basic principles; MATHEMATICS / History & Philosophy, SCIENCE / Physics / Mathematical & Computational, HISTORY / Study & Teaching, MATHEMATICS / Arithmetic, Philosophy of Mathematics, Puzzles and quizzes, GAMES & ACTIVITIES / Quizzes, Probability & statistics, Mathematical logic, Popular and recreational mathematics, Popular mathematics, Practical advice: Life hacks / handy tips, Adult numeracy guides & handbooks