Can you multiply and divide by 2 or 10 without pencil and paper? Of course you can. And believe it or not, with just those two skills and a few simple tricks you can perform just about any everyday calculation in your head! That�s just a small sample of the kind of number wizardry readers will learn to master in this amazingly entertaining and supremely practical book. The author?a former math teacher who wows audiences as ?The Mathemagician�?takes the anxiety out of numbers for everyone from schoolkids suffering from math phobia to grown-ups bargaining for the best car deal. And he also provides the kind of intriguing mental exercises that keep aging brains flexible and fit.

Informazioni sull?autore

Andrew Jeffrey taught mathematics in the classroom for 20 years. Now, as The Mathemagician, he introduces students by the hundreds to the joy of numbers in his touring show for schools. His previous books include 100 Top Tips for Math Teachers and Magic for Kids of All Ages.

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