Visitors, especially young ones, often waited for General Douglas MacArthur to perform a miracle, or at least utter something profound, when they met him. The General could not always live up to his press notices.So, MacArthur started using a mathematical trick that he described as “the old number 115” as a way to maintain his […]
A maths wizard has discovered the largest known prime number and it’s an amazing 17 million digits long.Curtis Cooper, of the University of Central Missouri, in the US found it by using hundreds of computers networked together.You might not have to be a maths genius to know that a prime is a number greater than
Here are four ‘tricks’ to amaze your friends.But the really clever trick is explaining to them why these ‘tricks’ are mathematical and not magic. Like all good magicians, you should practise by trying them. Can you explain how they work?This trick will impress even your maths teacher. 1. Magic Maths TrickThink of a number.Double it.Add
Know the names of the power 10 which is really amazing. Enjoy the interesting facts of number list.Value Zero Name100 0 One101 1 Ten102 2 Hundred103 3 Thousand104 4 Myriad106 6 Million109 9 Billion1012 12 Trillion1015 18 Quintillion1021 21 Sextillion1024 24 Septillion1027 27 Octillion1030 30 Nonillion1033 33 Decillion1036 36 Undecillion1039 39 Duodecillion1042 42 Tredecillion1045 45
Here are some funny mathematical interesting facts. All the tricks given below are based around the sequential manipulation of the numbers being used for input and output. 1. Sequential Inputs of numbers with 81 x 8 + 1 = 912 x 8 + 2 = 98123 x 8 + 3 = 9871234 x 8 +
The number 6174 is the only unchanged mysterious number discovered by Kaprekar’s operation. Discover the mystery behind the 6174 loop by using any four-digit number. RulesStep 1: Select any four-digit number, but do not select the ones in which all the four digits are the same like 1111, 2222, …Step 2: Arrange the digits in
Finger Multiplication of 6,7,8,9,10 Time Tables Here is a mathematical Trick to multiply easily the numbers from 6 to 10. It is used to teach children to learn tricks about multiplication tables.Place your fingers as in the below image and consider the value of fingers in each hand to be 6, 7, 8, 9 and
Trick 1:Quick SquareStep1: If you need to square a 2-digit number ending in 5, you can do so very easily with this trick.Step2: Mulitply the first digit by itself + 1, and put 25 on the end.Step3:That is all!Step4: Ex:25 i.e. (2*(2+1))&25Answer: 625Trick 2: Multiply by 5Step1: Take any number; then divide it by 2Step2:
Trick 1: 2’s TrickStep1: Think of a number .Step2: Multiply it by 3.Step3: Add 6 to the result you got.Step4: Divide it by 3.Step5: Subtract it from the first number used.Answer:2Trick 2: Any NumberStep1: Think of any number.Step2: Double the number.Step3: Add 9 to the result.Step4: Subtract 3 from the result.Step5: Divide the result by
Birthday MagicStep1: Add 18 to your birth-month.Step2: Multiply it by 25.Step3: Subtract 333.Step4: Multiply it by 8.Step5: Subtract 554.Step6: Divide it by 2.Step7: Add your birth date to it.Step8: Multiply it by 5.Step9: Add 692.Step10: Multiply it by 20.Step11: Add only the last two digits of your birth year.Step12: Subtract 32940 to get your birthday!.Example:
Trick 1: Number below 10Step1: Think of a number below 10.Step2: Double the number you have thought.Step3: Add 6 with the getting result.Step4: Halve the answer, that is divide it by 2.Step5: Take away the number you have thought from the answer, that is, subtract the answer from the number you have thought.Answer: 3 Trick
1. Funny Calculator Trick 1. Take a calculator2. Type in “12345679” (remember not 8)3. Times it by any number multiplied by 9,Lets say if you want 5 as answer, 59=45, so 1234567945=?Try multiplying by: 9, 18, 27, 36 and so on…and see the magic of maths. 2. Age Calculation TricksStep1: Multiply the first number of
Try this one in your head, using mental maths… Step 1Ask a friend to think of a number between 1 and 10.Example: 8 Step 2Get him to double it.Example: 16 Step 3Ask him to add 10 to the answer.Example: 26 Step 4Then get him to divide by 2.Example: 13 Step 5Ask him to tell you
Amazing 1089… Step 1Take two pieces of paper and hand one to a friend.On yours, without letting them see, write the number 1089, then fold the paper to keep it hidden. Step 2Ask them to think of a 3-digit number but, before they write it down, ask them to put the numbers in order from
STEP 1Ask a friend to write down a number (any number with more than 3 digits will do, but to save time and effort you might suggest a maximum of 8 digits).Example: 83 972 105 STEP 2Ask him to add the digits.Example: 8+3+9+7+2+1+0+5 = 35STEP 3Ask him to subtract this number from the original one.Example: