WorksheetsPi Day
Total questions: 20
Worksheet time: 33mins
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.
Is pi irrational, rational, both, or neither?
a)
Both
b)
Irrational
c)
Rational
d)
Neither
4.
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
5.
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
6.
How many digits are in pi?
a)
10 trillion
b)
5 billion
c)
infinite
d)
a lot
7.
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
8.
Which of the following are the earliest known reference(s) to pi?
a)
The Rosetta Stone and Bible
b)
A Middle Kingdom papyrus scroll, by Ahmes the scribe
c)
Babylonian and Egyptian texts
d)
Homer’s Illiad
9.
What is the formal definition of pi?
a)
The ratio of a circle's circumference to its diameter
b)
3.14159
c)
The radius of a unit circle
d)
The ratio of a circles diameter to its area
10.
Lu Chao of China set a world record by memorizing the most digits of pi. How many digits did he memorize?
a)
67,890
b)
68,980
c)
69,760
d)
60,967
11.
Who did the first proof to find the number pi?
a)
Archimedes
b)
Pythagorus
c)
Socrates
d)
Boyle
12.
What does the Massachusetts Institute of Technology do on Pi Day?
a)
Pi Bee
b)
Pie baking Contest
c)
Pie eating competition
d)
Mails its acceptance letters
13.
What portion of Americans admit to having eaten an entire pie by themselves?
a)
1 in 2
b)
1 in 5
c)
1 in 10
d)
1 in 19
14.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
15.
What does "circumference" mean?
a)
Space a circle takes up
b)
Distance around a circle
c)
Line from one side of a circle to another
d)
Line from center of circle to side
16.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
17.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
18.
What is the formula for finding the circumference of a circle?
a)
C = r2
b)
C = rd
c)
A = π·r2
d)
C = π·d
19.
What is the formula for finding the area of a circle?
a)
A = π·d
b)
C = 2·π·r
c)
A = π·r2
d)
C = π·d
20.
Find the area of the circle.
a)
18.84 m2
b)
113.04 m2
c)
37.68 m2
d)
452.16 m2
100 %
