# math is fun

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Information about math is fun
Science

Published on September 16, 2014

Author: shelinvarghese

Source: slideshare.net

## Description

mathematics

SHELIN ELIZABETH VARGHESE B.Ed MATHEMATICS REG NO13304013 NSS B.Ed TRAINING COLLEGE

MATHS INTERESTING AND AMAZING FACTS * The word MATHEMATICS comes from a Greek mathema which means learning, study,science. * Dyscalculia means difficulty in learning mathematics,such as difficulty difficulty in understanding numbers, and learning maths fact. * Mathematics is an anagram of ‘me asthmatic‘ * The number 5 is pronounced as 'Ha' in Thai language.555 is also used by some as slang for 'HaHaHa'. * Different names for the number 0 include zero, nought, naught, nil, zilch and zip. * Zero ( 0 ) is the only number which cannot be represented by Roman numerals. * The name 'zero' derives from the Arabic word sifr which also gave us the English word 'cipher' meaning 'a secret way of writing'. * Do you know the magic of no. nine (9)? Multiply any number with nine (9 ) and then sum all individual digits of the result (product) to make it single digit, the sum of all these individual digits would always be nine (9). *Here is an interesting trick to check divisibility of any number by 3.A number is divisible by three if the sum of digits is divisible by 3. * The = sign ("equals sign") was invented by 16th Century Welsh mathematician Robert Recorde, who was fed up with writing "is equal to" in his equations. * Googol (meaning and origin of Google brand ) is the term used for a number 1 followed by 100 zeros and that it was used by a nine year old Milton Sirotta in 1940. * The spiral shapes of sunflowers follow a Fibonacci sequence. * The word hundred is derived from the word “hundrath”,

which actually means 120 and not 100. *111,111,111 × 111,111,111 = 12,345,678,987,654,321. * (6 × 9) + (6 + 9) = 69. *10! seconds is exactly 6 weeks.  as fed of any number by number 3.A number is divisible by three if the sum of its digits is divisible by three (3).Here is an interesting trick to check divisibility of any number by number 3.A number is divisible by three if the sum of its digits is divisible by three (3).

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