This book follows the style of How puzzling and How amazing by the same authors. It combines a brief history of some aspects of the development of numbers with puzzles, problems and investigations based on number manipulation and number patterns.

 

There are 48 pages in this book. This book was published 1995 by Cambridge University Press .

Charles and Juliet Snape produce CIRCA, a maths magazine for children at Key Stages 2 and 3, which is where these maths activities first appeared. The magazine sells on subscription to teachers. Charles and Juliet have had several maths puzzle and maze books published.

This book has the following chapters: One, two and many; Hindu number system; Pythagorean triples and triangles; Letters for numbers; Really big numbers; Counting on; A number of puzzles; Cryptarithms; The Chinese Triangle; Why do they work?; How many ways; Arabian mathematics; Number shapes; A page of p; Further ways; Base two; Chain letters; Number patterns; On average; The Maya; Problems with primes; The path to infinity; A few solutions; A page of numbers