Changes

===[http://karnatakaeducation.org.in/KOER/en/index.php/Portal:Mathematics/Fun_corner#Phone_number_birthday_puzzle Phone number birthday puzzle]===

[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Phone_number_birthday_puzzle '''Phone number birthday puzzle''']

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|[[File:phone-number-keypad.jpg|150px]]

|[[File:phone-number-keypad.jpg|150px]]

#The last step; with this number, subtract your birth year.

#The last step; with this number, subtract your birth year.

Now you see a three-digit number. The first digit is the last digit of your phone number, the next two digits are your actual age!  You can use the attached [http://karnatakaeducation.org.in/KOER/en/index.php:File:Phone_number_birthday_puzzle.ods spreadsheet] to solve this and find out why it works!!

Now you see a three-digit number. The first digit is the last digit of your phone number, the next two digits are your actual age!  You can use the attached [http://karnatakaeducation.org.in/KOER/en/images/1/17/Phone_number_birthday_puzzle.ods spreadsheet] to solve this and find out why it works!!

 

===[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Maths_Quizzes Maths Quizzes]===

[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Maths_Quizzes '''Maths Quizzes''']

===[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#The_origin_of_the_calendar The origin of the calendar]===

 

===[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Magic_Square Magic Square]===

[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#The_origin_of_the_calendar '''The origin of the calendar''']

 

[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Magic_Square '''Magic Square''']