Math on 11/11/11 – A Ones In A Life Event

October 17th, 2011 by diane Leave a reply »

Hi!  It’s Monday, October 17, 2011 and time for Math at ClickSchooling!

November 11th, 2011 will be a “Ones In A Lifetime Event.”  It’s the only date that can be represented by six identical digits as 11/11/11, and it only comes around once every hundred years according to Corbin E. Covault, Department of Physics, Case Western Reserve University, who is credited with inspiring 11/11/11 Day.

What follows is information on the event and ideas for celebration to make math fun! Mark your calendars so you won’t miss it!

Recommended Websites:
See Below

Age Range: Varies (ALL sites require parental preview and supervision.)

This website offers ideas for celebrating “The ONES In A Lifetime Event” at 11:11:11 on 11/11/11 when the time and the date are all 1. They are attempting to create a unifying global event to celebrate world peace because November 11th also happens to be Armistice Day in France (commemorating the signing of the Treaty of Versailles that ended WWI), and it is also Veterans Day in the USA and Remembrance Day in Canada that commemorate the sacrifices of those who served in armed conflicts.

This particular website (with a commercial edge) encourages people to have a party at home or in a club or restaurant, or create a community event, or participate in an online streaming party. It may inspire you to think of ways to celebrate with your family.

What has any of this got to do this math? For an answer visit these websites:

How to Interpret 11/11/11 – You see, the number eleven is the sixth prime number and there are some interesting peculiarities and folklore about it that you’ll discover at this website.

Number 11 – Wikipedia offers mathematical and scientific information about the number 11 and explains that it’s the atomic number of sodium, as well as the number of spacetime dimensions in M-theory. Scroll down the page and click on the links to articles that explain the sunspot cycle is 11 years, and Apollo 11 was the first manned spacecraft to land on the moon. Find out the implications of the number 11 in religion, music, sports, military, computing, and other fields.

What’s Special About The Number 11? – This site explains that 11 is the largest known “multiplicative persistence.” (You’ll find info about other unusual numbers too.)

An Easy Way to Multiply Any Number by 11 – At you can learn some simple multiplication tips using the number 11.

Play Number Twins offer this interactive online math game for kids that lets them practice adding numbers that add up to 11.

Of course there are other ways to celebrate 11/11/11. Plan eleven fun activities. Dress in 11’s – wear stripes! Color with 11 crayons. Listen to 11 songs. Read 11 pages in a book. Visit 11 friends. Plant 11 seeds. Do 11 sit-ups. Give 11 gifts. Solve 11 math problems. Go on an “11 Hunt” – find eleven things, or search for the number 11 wherever you go. You can also eat meals made up of 11’s with tasty treats such as:

  • Carrot Sticks
  • Celery Sticks
  • Pretzel Sticks
  • String Cheese
  • French Fries
  • Bread Sticks

And don’t forget to look in the Asian food section of your grocery store for Pepero and Pocky. Pepero is a Korean cookie snack and Pocky is a similar Japanese treat.  Both are essentially a cookie “stick” that comes in a variety of flavors. If you hold up two Pepero or Pocky sticks they resemble the number 11. So, the clever manufacturing company successfully promoted the celebration of…

Pepero Day!
Each November 11th (11/11), Koreans exchange the cookie sticks in an observance similar to Valentine’s Day.



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