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Pi Day 2018

Total questions: 21

Worksheet time: 27mins

Name
Class
Date
1.

What day is Pi Day celebrated on?

a)

March 31

b)

March 15

c)

March 14

2.

What famous scientist was born on Pi Day in 1879?

a)

Archimedes

b)

Einstein

c)

Galileo

d)

Newton

3.

Pi Day is celebrated on March 14. (which was chosen because it resembles 3.14) What time does the official celebration begin?

a)

3:14 PM

b)

7:22 PM

c)

1:59 PM

d)

5:18 PM

4.

What number is in the hundredths place in pi?

a)

1

b)

4

c)

5

d)

3

5.

Is pi irrational, rational, both, or neither?

a)

Both

b)

Irrational

c)

Rational

d)

Neither

6.

What is the "formal" definition of pi?

a)

22/7

b)

3.1415926

c)

the ratio of a circle's circumference to its diameter

d)

the surface area of a sphere of diameter 22/7

7.
What does this symbol represent?
a)
a letter from the English alphabet
b)
a greek letter
c)
pie
d)
pi
8.

What is pi used to find?

a)

the perimeter of a square

b)

the area of a rectangle

c)

radius of a circle

d)

circumference of a circle

9.

How many digits are in pi?

a)

10 trillion

b)

5 billion

c)

infinite

d)

a lot

10.

What do you get when you divide the circumference of a Jack-o-Lantern by its diameter?

a)

Pumpkin

b)

Jack-o-Lantern

c)

Pumpkin Pi

d)

Pi in the Sky

11.

What letter is pi of the Greek alphabet?

a)

10

b)

12

c)

14

d)

16

12.

Who did the first proof to find the number pi?

a)

Archimedes

b)

Pythagorus

c)

Socrates

d)

Boyle

13.

Are pi's digits periodic? In other words, do the digits ever repeat themselves in any pattern?

a)

No, pi is irrational

b)

Yes, every 6,000,000 decimal places

c)

Yes, every infinitely long number repeats

d)

Maybe, not enough digits of pi are known yet

14.

Which fraction is a good approximation for pi?

a)

22/3

b)

22/9

c)

22/7

d)

22/5

15.

Pi and pie are which type of word

a)

synonyms

b)

antonyms

c)

homophones

d)

homographs

16.
Among the digits of pi currently known, the concentrations of each of the digits 0 - 9 are pretty much equal. However, in the first 30 digits of pi's decimal expansion, one number is conspicuously missing. Which number is it? 
a)
2
b)
0
c)
5
d)
7
17.
Who had the digits of Pi engraved on his tombstone?
a)
Archimedes
b)
Ludolph van Ceulen
c)
John Wrench
d)
Jon von Neumann
18.
The Guinness world record holder for Pi digits is
a)
Lu Chao
b)
Yao Ming
c)
Hiroyuki Goto
d)
Rajveer Meena
19.
Pi is the ratio of a circle’s _________ to _________. 
a)
radius/diameter
b)
circumference/diameter
c)
area/circumference
d)
circumference/radius
20.
Which number does not appear in the first 31 digits of pi?
a)
0
b)
7
c)
8
d)
2
21.
Which state tried to get a bill passed that would declare pi to be 3.2?
a)
Indiana
b)
Kentucky
c)
Louisiana
d)
Montana