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pi day quiz 2nd years

Total questions: 39

Worksheet time: 3hrs 34mins

Name
Class
Date
1.

What number is pi?

a)

1.41

b)

2.00

c)

3.14

d)

5.14

2.

When is pi used?

a)

unlock your locker

b)

to find your way home

c)

area of a circle

d)

tangent of a rectangle

3.

Another use for pi?

a)

circumference of a circle

b)

desert after dinner

c)

triangle bisect line

d)

square root

4.

What day is Pi Day?

a)

March 14

b)

December 25

c)

October 31

d)

January 1

5.

Who was born on pi day in 1879?

a)

Albert Einstein

b)

Ms. Nolan

c)

Mr. Staunton

d)

Cillian Murphy

6.
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
7.
What number is in the hundredths place in pi?
a)
1
b)
4
c)
5
d)
3
8.
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
9.
What does this symbol represent?
a)
a letter from the English alphabet
b)
a greek letter
c)
pie
d)
pi
10.

Which of these ratios is the closest approximation of pi?

a)

13/4

b)

16/5

c)

19/6

d)

22/7

11.

What are the first six digits of pi?

a)

314157

b)

3141592

c)

31415

d)

314159

12.

What kind of decimal is pi?

a)

Repeating

b)

Irrational

c)

Terminating

d)

Rational

13.

_____________ is the distance around the circle

a)

circumference

b)

center

c)

radius

d)

diameter

14.

_____________ is half of the diameter

a)

circumference

b)

center

c)

radius

d)

diameter

15.

_____________ is twice the radius

a)

circumference

b)

center

c)

radius

d)

diameter

16.

True or False, GPS systems use pi to calculate your position on Earth?

a)

True

b)

False

17.

What is the Circumference of a plastic lid if the diameter

is 7.8 cm?

a)

14.3 cm

b)

24.5 cm

c)

Use this Formula C = πd

18.
π is equal to circumference divided by _________________.
a)
radius
b)
diameter
c)
area
d)
itself
19.
The symbol for Pi is
a)
π
b)
Σ
c)
Ψ
d)
⊈
20.
What is the area of this circle?
a)
50.27
b)
78.23
c)
98.12
d)
201.06
21.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
22.
What is the area of this circle?
a)
6082.12
b)
1520.53
c)
1893.14
d)
1292.92
23.

What is the Radius of this circle?

a)

18

b)

24

c)

9

d)

54

24.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
25.

The perimeter of a circle is called the _________

a)

Radius

b)

Diameter

c)

Circumference

d)

Area

26.
Find the circumference of a circle with a radius of 13.5 mm.
a)
37.68mm
b)
18.84mm
c)
84.78 mm
d)
none of the above
27.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
28.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
29.

The distance around a circle

a)

area

b)

diameter

c)

circumference

d)

radius

30.
What is the formula to find the area of a circle?
a)
πr2
b)
2πr
c)
√π
d)
πd
31.
What day is Pi Day celebrated on?
a)
March 31
b)
March 15
c)
March 14
32.
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
33.

Just as p is the 16th letter of the English alphabet, π is the 16th letter of the Greek alphabet.

a)

True

b)

False

34.

The first 144 digits of π add up to ___.

a)

598

b)

666

c)

702

d)

543

35.

Nowhere in the first 10,000,000 digits of π does the string '1234567' appear.

a)

True

b)

False

36.

Akira Haraguchi, a 69 year old Japanese, set the world record by reciting ________digits of pi in 2015.

a)

40201

b)

67890

c)

111701

d)

314159

37.

What is the last digit of π?

a)

9

b)

6

c)

3

d)

It does not exist.

38.
 Roughly at what period was the discovery of a constant that we now call Pi ?
a)
prehistoric 
b)
first civilisation (egyptian, babylonian) 
c)
ancient greece and romans
d)
middle ages
39.
Which number appears most in the first 6 billion decimal places of Pi?
a)
2
b)
1
c)
0
d)
5

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