Maths with the laughs added in! \* Why nothing sometimes means something? \* Can you beat Professor Fiendish's foul formula? \* What can stop a hairy green spot epidemic? Find out in the Essential Arithmetricks - all the tricks, tips and short-cuts they don't teach at school.

Murderous Maths: The Essential Arithmetricks 2008, Scholastic, London

ISBN-13: 9781407105857