Blog entries from Bruce tagged Math MagicA short description about your blog
http://www.xploremagic.com
Wed, 27 May 2015 04:53:52 +0100FeedCreator 1.7.3Math Age Trick
http://www.xploremagic.com/878-Math-Age-Trick.html
<p>Do you really want to know your granny's age?</p><p><br />...this is a sneaky way to find out!!</p><p>Just follow these simple instructions:</p> Ask the person to multiply the first number of his or her age by 5. (This is usually the tens digit, but if the person is less than 10 years old the first digit will be zero eg a five year old will be 05. If the person is over 100 then it will be both of the first two digits eg 103 will be 10)Then add 3.Then double the answer.Next ask the peRead More...Nic BruceTue, 30 Sep 2008 04:00:00 +0100Math MagicDice Dynamics - Math Magic
http://www.xploremagic.com/838-Dice-Dynamics-Math-Magic.html
<p> <img src="http://www.xploremagic.com/images/66/dice.gif" border="0" alt="" width="269" height="202" /> </p><p>This is an amazing way to work out what numbers are on two dice. Ask your friends (or other victim) to roll two dice, but not let you see what numbers come up.</p><p><br />Then ask them to do the following:</p>Double one of the numbers.Then add 5 to it.Then multiply the answer by 5.Add the second number.Finally subtract 25.Ask them what answer they have. The two digits of the anRead More...Nic BruceSun, 14 Sep 2008 04:00:00 +0100Math Magic3 Digit - Math Tricks
http://www.xploremagic.com/837-3-Digit-Math-Tricks.html
<p>For this piece of magic you need a pretty clever audiences who is good at taking away (or can use a calculator). </p><p>Ask them to work this sum out:</p>Write down a three digit number where all the digits are different.<br />eg 317Reverse the digits eg 713Take the smaller number from the larger number <br />713<br />317<br />----- -<br />396Ask them to tell you the hundreds digit or the units digit and you will be able to tell them the whole answer without knowing what numbers they chRead More...Nic BruceSun, 14 Sep 2008 04:00:00 +0100Math MagicMath Square Numbers
http://www.xploremagic.com/828-Math-Square-Numbers.html
<p>Have you seen those square Easter eggs I got one and it was delicious!</p><p>This magical maths trick involves square numbers. Remember, you get a square number by multiplying a number by itself. For example 6 x 6 = 36. 36 is a square number.</p><p>There is an amazingly quick way of squaring a two digit number which ends in 5. All you have to do is multiply the first digit by the number one more than it, and then put a 25 on the end of your answer.</p><p>Eg: 35 squared<br />3 x 4 = 12<br />puRead More...Nic BruceThu, 11 Sep 2008 04:00:00 +0100TutorialMath MagicThe Number 1089
http://www.xploremagic.com/821-The-Number-1089.html
Have you ever heard the number 1089? No, then learn this mathemagic 1089 to amaze your friends!<br /><br />Ask a spectator to put a three digit number into the calculator (They have to put the digits in descending order, like 741 or 942).Press the subtraction key.Then enter the same number in reverse order eg 147 or 249.Press the equals key.Keep the answer on the display. Remember it and mentally reverse the answer.Press the add key.Enter the three digit number which you reversed.Press the equalRead More...Nic BruceSat, 30 Aug 2008 23:00:00 +0100Math Magic