Happy Pi Day to everyone. To start things off, here some facts about Pi Day.

March 14, written as 3-14 or 3/14 in the United States date format, represents the common three-digit approximation for the number π: 3.14. Pi Day is often celebrated at 1:59 p.m. in recognition of the six-digit approximation: 3.14159. Some, using a 24-hour clock, celebrate it at 1:59 a.m. or 3:09 p.m. (15:09) instead.

Pies for a celebration at the Massachusetts Institute of Technology

Pi Day is celebrated in a variety of ways. Parties or other observances may be held by mathematics departments in educational institutions. Harvard's Math department, for instance, has a pi recitation contest as well as a pi eating contest. Mathematics or science clubs might gather to consider the role that the number π has played in their lives and to imagine the world without π. During such an event, pi celebrants may approximate π, devise alternative values for π, eat pie, play piñata, drink Piña Colada, eat pizza, listen to the song "Pi" by Kate Bush, watch Pi, or recite Pi. The song 867-5309/Jenny is sometimes sung, replacing the digits with the first several digits of pi. The shape of the pie is sometimes square, due to the pronunciation of the equation for the surface area bounded by a circle = πr2, i.e., "pie are squared."

March 14, written as 3-14 or 3/14 in the United States date format, represents the common three-digit approximation for the number π: 3.14. Pi Day is often celebrated at 1:59 p.m. in recognition of the six-digit approximation: 3.14159. Some, using a 24-hour clock, celebrate it at 1:59 a.m. or 3:09 p.m. (15:09) instead.

Pies for a celebration at the Massachusetts Institute of Technology

Pi Day is celebrated in a variety of ways. Parties or other observances may be held by mathematics departments in educational institutions. Harvard's Math department, for instance, has a pi recitation contest as well as a pi eating contest. Mathematics or science clubs might gather to consider the role that the number π has played in their lives and to imagine the world without π. During such an event, pi celebrants may approximate π, devise alternative values for π, eat pie, play piñata, drink Piña Colada, eat pizza, listen to the song "Pi" by Kate Bush, watch Pi, or recite Pi. The song 867-5309/Jenny is sometimes sung, replacing the digits with the first several digits of pi. The shape of the pie is sometimes square, due to the pronunciation of the equation for the surface area bounded by a circle = πr2, i.e., "pie are squared."

It's unclear when Pi Day was first celebrated. The Exploratorium began an annual public celebration of Pi Day in 1987, with staff and public marching around one of its circular spaces, and then consuming fruit pies; the museum has since added pizza pies to its Pi Day menu.

Enthusiasts also note that the day happens to be Albert Einstein's birthday, among other famous birthdays on this day. Massachusetts Institute of Technology, known for its sometimes unconventional and quirky take on mathematics, often mails out its acceptance letters to be delivered to prospective students on Pi Day.

Enthusiasts also note that the day happens to be Albert Einstein's birthday, among other famous birthdays on this day. Massachusetts Institute of Technology, known for its sometimes unconventional and quirky take on mathematics, often mails out its acceptance letters to be delivered to prospective students on Pi Day.

*Wikipedia.*

*We started our morning class by celebrating Pi Day. I felt bad on eating all those pies that I ate because I did not bring any. Anyways, besides eating lots of pies and drinking milk/chocolate milk, Mr. K also told us about the rubric for the "Developing Expert Voices" and "FlickR" assignments.*

**Rubric is basically a method and tool for grading assignments*

In our afternoon class, we discussed Measures of Variability. We talked about Range, Mean, Standard Deviation, etc.

**Range**- the difference between the largest and smallest value in a set of data.

**Mean**- the sum of the observations divided by the number of observations.

**Standard Deviation**- measures how widely spread the values in a data set are.

We started the last period by listing everyone's age on the smart board.

These are the results:

highest value: 19

lowest value: 16

Range: 3

*(19-16)*Then we calculate the data using this procedures:

*press

**STAT, 1. EDIT,**the put the values on list one.*after putting all the values, press

**2ND, MODE**to quit.*press

**STAT, →, 1. VARS STAT.***press

**2ND, 1**to calculate the values on list one.Standardard Deviation(σ) = .9823

If the Mean Average is 17.6875 and the Standard Deviation is equal to .9823, it means that our age difference is not too far from each other.

Mr. K also introduced to us the Standard Deviation Formula.

**x =**individual score

μ = population mean

n = number of scores

Σ = means "the sum of"

That's all for me folks. Happy Pi Day, again.

*the next scribe is Ivy*

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