Pi Meanings
Pi Day
Pi Formulas
100

The Definition of Pi 

What is the ratio of a circle's circumference to its diameter?

100

Pi Day is celebrated on this date

What is March 14? (3.14)

100

The formula for area of a circle 

What is A=(Pi)(Rsquared)
200

An approximate value of pi, correct two decimal places.

What is 3.14? 

200

This famous mathematicaisn birthday is on the same date as Pi day. 

Who is Albert Einstein?

200

The formula for circumference of a circle

What is C=2(Pi)R    OR   C=(Pi)D

300

An approximate value of pi, in factional form

What is 22/7?
300

The best time of day to celebrate pi day according to the third, fourth, and fifth digts following the decimal

What is 1:59?

300

What do you call a mathematician that takes over a ship? 

What is a Pi-rate? 

400

Pi is a letter from the alphabet of this language? 

What is greek? 

400

A date during the summer which would be another good time for Pi day

What is the 22nd of July? (22/7)

400

What is the 10th digit of Pi? 

3.

Here are the digits of pi: 3.14159265359

500

Pi is the ___ letter of the alphabet. (1st, 2nd, 3rd, etc.)

What is 16th?

500

Another date to celbrate Pi Day - the 314th day of the year

What is november 10?

500

Is pi an irrational or rational number?

What is irrational?

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