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 Smart Are You?
Test Your Math IQ
How to improve your number skills: these 50 ten-question quizzes have an IQ-style scoring system that enables you to compare your performance with the average mark. The tests cover decimals and fractions, interest and percentages, means and medians and pose a range of algebraic word problems, interspersed with brief biographies of great mathematicians from Pythagoras to Andrew Wiles, who solved Fermat’s Last Theorem in 1994. American spelling and elastic closure.