Once in a hundred years

1) Once in a Hundred Years

write explanation + photo of you on Pi Day

(1) Pi day only happens once in one hundred years because 3.14 is the month 3 of the year 14. It means it will only arrive back next 100 years.

this is my geogebra 

2) How do we calculate pi? 

write explanation+ your embedded PI Movie

(2)  The way to calculate PI is by doing circumference divided by the diameter. C=2 Pi Radius
Pi movie

3) How can we get a more accurate number for pi?

write explanation of Geogebra investigation + screen shots of your work + (picture of?) your chart from your math journal

This is the photo I tooked in PI day 3.14926...

(3) to get a more accurate number to Pi we should try 22/7 however that isn't exactly Pi so the number would be something like 22.314/7 to get more accurate.  Did you know someone memorized 22,514 digits in just over 5 hours and his name is Daniel Tammet. But we do not know when it ends. Scientists say it will never stop going, because Pi is rational

4) Why So Irrational?

discuss 22/7 as pi...what’s rational? what’s irrational?
What’s a good way to get an accurate pi?

   (4)-    To get close to Pi we do 22/7 that will get us to 3.14285 that is close to 3.14. Irrational number is a number that never ends like Pi and Rational is a number that ends like 7.  The best way to get an accurate Pi is to use 3.14. rounding to the hundredths place is very accurate. 

5) Why should we know about pi?

what’s it good for anyway? how is it used?

(5) We should know about Pi because astronauts use it also many scientists and mathematicians.  I ask myself why is it good for us I guess because first it is an irrational number.