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Numarul pi

Total questions: 10

Worksheet time: 15mins

Name
Class
Date
1.

What number is pi?

a)

1.41….

b)

2.73…

c)

3.14…..

d)

2,23….

2.

What day is Pi Day?

a)

March 14

b)

December 25

c)

October 31

d)

January 1

3.

How old is the symbol for pi?

a)

1,000 years

b)

250 years

c)

500 years

d)

a billion years

4.

Who was born on pi day in 1879?

a)

Mr. Einstein

b)

Mr. Seiferth

c)

Mr. Tiscareno

d)

Mr. Newton

5.
How many digits are in pi?
a)
10 trillion
b)
5 billion 
c)
infinite 
d)

10

6.

Which of these ratios is the closest approximation of pi?

a)

13/4

b)

16/5

c)

19/6

d)

22/7

7.

What are the first six digits of pi?

a)

314157

b)

314153

c)

31415

d)

314159

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.
Is pi irrational, rational, both, or neither?
a)
Both
b)
Irrational
c)
Rational
d)
Neither
10.

Who did the first proof to find the number pi?

a)

Archimedes

b)

Pythagorus

c)

Socrates

d)

Boyle