Number Treasury 3
Investigations, Facts and Conjectures About More than 100 Number Families
Written as a resource for both teachers and students, this enlarged third edition of Number Treasury is designed to guide readers through the steps that will help them to think critically, to provide explanations and to formulate conjectures about different families of positive integers. Its 137 exercises and 28 'investigations', at three levels of difficulty, cover such intriguing topics as magic squares, palindromic numbers and twin primes. Detailed solutions are provided at the back of the book.
How Big is Infinity?
The 20 Big Maths Questions
What is mathematics for, and where do numbers come from? Beginning with those fundamental questions, this accessible book introduces the work of history's greatest mathematical minds, from Pythagoras and Euclid to Fermat and Gödel, as well as setting out the perplexing problems which cutting-edge research is still trying to solve, such as the Riemann hypothesis. Previously published as The Big Questions: Mathematics.