Self-Working Number Magic

101 Foolproof Tricks

Written by Karl Fulves

1983
Work of Karl Fulves

145 pages (Paperback), published by Dover Publications
Illustrated with drawings by Joseph K. Schmidt.
Language: English

(114 entries)

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Creators Title Comments & References Page Categories
Karl Fulves Introduction iii
Karl Fulves Amazing Number Magic chapter intro 1
John Hamilton The Nine Mystery No. 1, "nine" spelled on paper without dot, dot appears, inversion 1
Unknown Computer Dating No. 2, two persons write a digit, calculation done with one digit leads to two-digit number composed of both original numbers 2
Unknown Resistible Rithmetic No. 3, spectator writes number with writing surface held away and gets it wrong (18 instead of 81), mirror writing 3
Unknown Step Right Up No. 4, sixteen slips, half with "i owe you $1", half with "you owe me $1", spectator writes down 1, 2, 4, 8 in any order with plus or minus between and counts to a slip and loses 5
Unknown Dollar-Bill Poker No. 5, apparently serial number is remembered, missing digit named, additionRelated to 6
Unknown Familiar Spirit No. 6, forcing a postion in a dial by adding four number to the same digits scrambled 7
Unknown A 5¢ Computer No. 7, remainder in division is known, using calculator made from paper strip and paper frame 9
Unknown Mark of the Beast No. 8, calculation and final number is always divisible by 666 11
Samuel Taylor Coleridge, Karl Fulves Think of a Number No. 9, spectator does calculation procedure and adds value of change in pocket, performer knows value of change 11
Stewart Judah Lightning Strikes Thrice No. 10, three numbers and totals arrived at with blank cards, they are all identicalAlso published here 12
Karl Fulves Blue Lightning No. 11, packets of cards removed from two decks and counted and added in some way, at the end three spectators have the same number of cards without it being obvious, all chose the same card if counted downInspired by 14
Karl Fulves Devilish Dates chapter intro 17
Unknown Guess Your Age? No. 12, spectator does calculation with his age and names total, then age divined 17
Unknown Fourth-Dimensional Dates No. 13, year added to another year with another number, original year found out 18
Unknown Mysterious Math No. 14, number thought of and spectator tells on which number cards it is listed, binary numbers in corners 19
Unknown Astrology Cards No. 15, birthday found out with binary number cards and asking for sign 21
Robert E. Neale Neale's Number No. 16, binary cards with four word cards 23
Shigeo Futagawa Stunumbers No. 17, some small numbers added, total predicted, using number cards, for credit information see "Future Choice" referenceRelated toVariations 27
Karl Fulves Lightning Calculators chapter intro 31
Unknown Linear A No. 18, knowing whether an eighteen-digit number is divisible by seven 31
Unknown Slippery Sevens No. 19, producing numbers that are divisible by seven from given numbersRelated to 33
Unknown Alberti's Game No. 20, demonstration of quick multiplication and addition 34
Unknown The Fifth Power No. 21, spectator calculated fifth power of any number up to hundred, performer names original number 35
Unknown Playing the Market No. 22, quick addition demonstration 36
Unknown Tricky Total No. 23, quick multiplication demonstration 37
L. Vosburgh Lyons Mathematically Inclined No. 24, making a pyramid of numbers according to rules, final number predicted, Pascal's TriangleAlso published here 38
Unknown Fake Arithmetic No. 25, speed addition of five five-digit numbers 40
Unknown Ultraffinity No. 26, dividing a large number evenly by any digit except seven 42
Karl Fulves Dollars and Dice No. 27, serial number of bill, dice rolled, performer instantly adjusts serial number so it is divisible by other number 44
Karl Fulves Magic with Numbers chapter intro 47
Harry Canar, Karl Fulves Mental Amazement No. 28, two cards at two numbers counted to and removed, number added with values of the cards, both cards divined 47
Martin Gardner Locked-Room Mystery No. 29, 3x3 number square, ring moved around to instructions, final position predicted 48
Robert E. Neale The Two Guns No. 30, square with nine sections, two miniature guns moved according to instructions end up in predicted sectionAlso published here 50
Dr. Jacob Daley, George Sands Prime Choice No. 31, packet of thirteen cards, selection is the last one face-down after counting procedureAlso published here 52
George Sands Lucky 13 No. 32, prime principle force, small packet counted to named number until only one card remainsAlso published here 53
L. Vosburgh Lyons Future Thought No. 33, dice with (larger) numbers used for number divinationAlso published here 53
Howard Wurst The Decoder Card Trick No. 34, numbers translated into letters to arrive at name of selection 56
Unknown Cross-Cut Force 56
Karl Fulves Magic Squares introduction 59
Unknown The Marrakech Game No. 35, numbers on 3x3 square used for variation of Tic Tac ToeRelated to 60
Stephen Clark The Broken Square No. 36, square with two parts missing, still magic square, used for force 61
Unknown Swindle Square No. 37, six spectators have a slip with a number and multiply it with their position, numbers used for a Magic Square 62
Karl Fulves Anti-Magic Square No. 38, getting many different totals in a 3x3 square 63
Unknown Curious Magic No. 39, 4x4 square with total 264 in all directions, all different numbers and can be turned upside down on its head 64
Unknown Add and Subtract No. 40, puzzle with number pairs 64
Unknown The Paradox No. 41, paper with numbers cut up, can be arranged so that center misses 66
Karl Fulves The Automatic Magic Square No. 42, instantly filling out a 4x4 square for a number between 22 and 100 68
Karl Fulves The Classics chapter intro 73
Unknown The Root of the Problem No. 43, puzzle about a root equation 73
Unknown Haunted Hotel No. 44, puzzle about the payment of a hotel room with tip for the bellhop 73
Unknown Arithmetrick No. 45, number puzzle about length of fish 74
Unknown Contrary Clock No. 46, finding out how to set clock that goes wrong 74
Unknown Mountain Time No. 47 75
Unknown Significant Digits No. 48, getting someone to write a certain number 75
Unknown Unwritten Rule No. 49, calling out a number that is difficult to write down 76
Unknown Unequals No. 50, getting wrong equation right by making small adjustment 76
Unknown What's Next No. 51, continuing a series of letters 76
Unknown Cryptarithms No. 52, letters replace numbers in equations and must be substituted back to numbers 77
Unknown Eve Did Talk No. 53, letters in equation must be substituted with numbers, cryptarithm 77
Unknown Orderly Transition No. 54, using all nine digits in order for an equation to get 100 78
Unknown Naming Numbers No. 55 78
Unknown Zebra Algebra No. 56, puzzle involving speed of a zebra 78
L. Vosburgh Lyons Fidget Digits No. 57, puzzle with digits from 1 to 8 with kicker 78
Unknown Strange Symbols No. 58, digits written out with mirror image, problem of continuing the sequence 79
Unknown Catch Questions No. 59 79
Unknown Scrambled States No. 60, puzzle about states name 80
Unknown Puzzle Parts No. 61, puzzle with the digits from 1 to 9 80
Unknown Six Quik No. 62, puzzle with matrix of digits 80
Unknown Who Pays? No. 63 80
Unknown The Monkey and the Coconuts No. 64, puzzle, how many coconuts? 81
Karl Fulves Calendar Conjuring chapter intro 87
Unknown What a Week! No. 65, spectator circles three consecutive days on a calendar, days divined from total 87
Unknown Best Daze No. 66, spectator circles three consecutive days on a calendar vertically, days divined from total 88
Unknown Four of a Mind No. 67, spectator circles four consecutive days on a calendar vertically, days divined from total 89
Unknown Day Five No. 68, spectator circles four days on a calendar, days divined from total 89
Unknown The Square Week No. 69, spectator circles four days on a calendar in square, days divined from total 90
Unknown Cross Out No. 70, spectator circles five days on a calendar in cross, days divined from total 91
Unknown Second Saturday No. 71, knowing the first of a month when the second saturday's number is named 91
Walter B. Gibson Date Sense No. 72, numbers on calendar are added, matrix forceRelated to 92
Martin Gardner Crazy Calendar No. 73, calendar force with matrix principleInspired byRelated to 94
Karl Fulves Games and Bets chapter intro 97
Jack Avis Mexican Bingo No. 74, sheets with numbers, some numbers arrived at are used to spell-count down in deck, four Aces found 97
Unknown A Dollar You Can't No. 75, bet concerning the serial number of the bill 99
Unknown A Dollar I Can No. 76, bet concerning the serial number of the bill 99
Unknown The Fortune 100 No. 77, bet about the numbers from one to hundred which do not contain eight specific letters 100
Unknown Bamboozled No. 78, percentage bet concerning the letters in spelled-out numbers 100
Unknown Rapid Boxscores No. 79, instantly figuring out product of two numbers 100
Unknown Portable Poker No. 80, poker without cards but written numbers instead 101
Unknown, Norman Osborn The Game of 21 No. 81, making paths between certain number cards until you add up to twenty-one 103
Unknown Telefooled No. 82, percentage bet about last two digits in phone numbers 104
Unknown License-Plate Showdown No. 83, percentage bet about license plate numbers 104
Karl Fulves Auto Suggestion No. 84, license plate prediction, involving number cards and state cardsRelated to 104
Karl Fulves Giant Memory chapter intro 109
Unknown The Master Memory System No. 85, number association with key words 109
Unknown Instant Memory No. 86 111
Unknown Double Master No. 87, doubling the number of objects/key words 114
Unknown Serial Secret No. 88, how to really memorize the serial number of a bill quicklyRelated to 115
Unknown Mind Erasing No. 89, list of objects memorized, spectator names all numbers except one, last one is named by performer, memory stunt, clockingVariations 116
Unknown Pseudo Memory No. 90, bluff-memorization of order of deck 117
Jerry K. Hartman, Karl Fulves Memorease No. 91, spectator can memorize large number, also lettersAlso published here 118
Karl Fulves The Ultra Mind No. 92, words on business card, spectator takes one of ten business cards and remembers word on it, divined, memory 120
Sam Schwartz Digit Memory No. 93, list of ten objects memorized, spectator names all numbers except one, last one is named by performer, memory stunt, using fingersInspired by 123
Karl Fulves More Number Magic chapter intro 125
Fred Barlow, Will Dexter, Karl Fulves Sum Fantastic No. 94, two spectators make up a six-digit number, performer has four numbers that add up to it 125
Karl Fulves Psychic Card Reading No. 95, nine cards given to spectator, he does a layout, removes a card and adds up the rest, performer with his back turned names the missing card 127
Karl Fulves Devil's Dial No. 96, person called and that person divines astrological signInspired by 129
Karl Fulves, J. W. Sarles, Jack Miller What's My Line? No. 97, on three envelopes are occupations and salaries written, three spectator chose an envelope and take the salary in matches, performer divines who took what, also as phone effect 130
Richard Himber Transcendental Book Test No. 98, two page numbers selected and added, that number opened in third book and first word divined, using mathematical addition forceAlso published here 134
Karl Fulves Predicting the Future chapter intro 137
Karl Fulves Super Prophet No. 99, numbers from one to six listed a few times and added, total predictedInspired by 137
Karl Fulves Astro Thought No. 100, numbers formed with digits on number cards, total predicted 138
Karl Fulves The Million-Dollar Prediction No. 101, four people call out four-digit numbers, all digits written out on billets and mixed, new number formed, total predictedRelated toVariations 140
Data entered by Denis Behr.