Mathemagic: Magic, Puzzles and Games with Numbers

by Royal V. Heath

Overview

More than 60 new puzzles and stunts based on the properties of numbers. Easy techniques for multiplying large numbers mentally, identifying unknown numbers, determining the date of any day in any year, such entertainments as The Lost Digit, and Psychic Bridge. Over 30 pages of magic squares, triangles, cubes, more. 76 illustrations.

Product Details

ISBN-13:	9780486201108
Publisher:	Dover Publications
Publication date:	06/01/1953
Series:	Dover Math Games & Puzzles
Edition description:	Unabridged
Pages:	144
Product dimensions:	5.50(w) x 8.50(h) x (d)
Age Range:	7 - 12 Years

Table of Contents

Mathemagic
Central Knows Your Age
The Robber and the Sheep
Family Histrick
The Lie Detector
Arithmental Whoopee
An Eventric
I'm Telling You
The Dime and the Penny
Child's Play
A-Numgram
Number Symphonies
A Symphony in Fractions
The Mystic Number 76923
The Magic Number 142857
1089 and All That
You'd Never Think It of 19 and 9109
Some Pretty Arrangements
All the Same Number
Easy Ways to Multiply
Arithmeticklish
The Lost Digit
The Coo-Coo Calculator
Digitellus
Dice-Cyphering
There in Sequence
Birthdate Trick
How to Make Millions
Multipractice
Topsy Turvy
Sleight of Mind
Think of a Card
An Amazing Memory Trick
Tele-phoney
At a Glance
Psychic Bridge
Juggling the Time
Always the Same Number
A Detectrick
Digitslips
Figure This Out
Magic Squares
Appendigits
The Magic Triangle
The Magis Square on the Hypotenuse
The Magic Lovers
The Magic Gridiron
The Magic Explosion
The Magic Square of Squares
The Complementary Magic Square of Squares
The Magic Honeycomb
The Magic Web
The Magic Wheel
The Magic Quintuplets
The Three Acrobats
The Magic Block
Method of Determining the Day of Any Date
A Short-Cut Interest Method
Raffles