Lynda Colgan

Issuing an invitation to readers that they can trick their friends with mathematical magic, the authors give step-by-step illustrated directions for ten secrets such as “Digital Wizardry,” “Mind Games,” and “Boney Math” (Napier’s bones). They follow each magic trick with clear explanations of how the tricks work. Topics covered include multiplication, prime factors, probability, binary systems and long division. As the directions are somewhat complex, this title will particularly engage higher-ability students who will also enjoy the performance aspect of the book.… (mere)