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The International π Day

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Why we celebrate The International π Day on March 14?

a)

It is after The Math Day

b)

It symbolize the first digits of π

c)

Stephen Hawking was born on March 14

d)

It was the day of discovering the π number

2.

What is another name for the number π?

a)

Ludolphian

b)

Almagest

c)

Aryabhata

d)

Archimedan

3.

Where is the π roundabout?

a)

Berlin

b)

Shanghai

c)

Toronto

d)

Warsaw

4.

Who wrote the poem about the number π?

a)

Wisława Szymborska

b)

Julian Tuwim

c)

Olga Tokarczuk

d)

Sławomir Mrożek

5.

Which fraction is the closest approximation to π?

a)

22/7

b)

23/7

c)

22/8

d)

23/8

6.

Which famous scientist was born on March 14?

a)

Isaac Newton

b)

Stephen Hawking

c)

Albert Einstein

d)

Maria Skłodowska-Curie

7.

The tenth digit after the comma is:

a)

5

b)

6

c)

8

d)

9

8.

Who implement the symbol π?

a)

Ludolph van Ceulen

b)

William Jones

c)

Leonhard Euler

d)

William Oughtred

9.

If the circle has a diameter of 1, then the number π is:

a)

chord

b)

area

c)

radius

d)

perimeter

10.

Which formula is correct?

a)

π r - area of ​​a circle with radius r

b)

π r2 - area of ​​a circle with radius r

c)

π r - perimeter of a circle with radius r

d)

4/3 π r2 - area of a sphere with radius r