Math Club Fun Facts
Puzzles + word problems
Are you smarter than a calculator?
Math in real life / History of math
Simpler/common knowledge questions
100

When was ACS International Math Club established? (answer the year)

2025

100

Find ?

1+1=5
2+2=20
3+3=45
4+4=?

80

100

Solve √(2025)

45

100

Who is known as the Father of Geometry?

Euclid

100

State the first 10 digits of pi

3.141592653

200

During a math club session, the club spends 1/5 of the total time solving a puzzle, 60% of the total time working on a group task, and the remaining time discussing the answers. How long (in minutes) does the club spend discussing the answers?

Hint: How long is one math club session?

15 minutes

(one session is 75minutes from 3.45pm-5pm, so 20% of the time is spent for discussing the answer)

200

2 students from school A, 3 students from school B, and 4 students from school C participated in a math competition.
During the competition, 3 of the students fell asleep. Assuming that the sleepers were determined randomly, find the probability (in fractions) that exactly 2 out of 3 sleepers were from the same school.

55 / 84

200

((3√(total number of houses in our school))2)3

64

200

Who is the famous English mathematician credited as the inventor of calculus?

Sir Isaac Newton

200

Between 4:00 PM and 4:50 PM, the minute hand of the clock covers how many degrees?

300˚

300

How many posts are there in our Math Club Instagram Page? (no searching!!)

14

300

On a certain road, the probability that a car will pass within 30 minutes is 95%. What is the probability in percentage that a car will pass within 10 minutes, rounded to 2 decimal places?

63.16%

300

An image will be displayed on the screen.
Find the area of the blue shaded region in terms of pi.

45pi

300

A 20% discount is followed by another 20% discount. Is the total discount 40%? If not, what is it?

Nope, it's a 36% discount total.

300

What is the square root of -1 called?

i (imaginary number)

400

What was our club’s first school-wide event called?

Math Week

400

There’s a book with a leaf torn from it. The sum of the numbers on the remaining page is 15000. What are the page numbers on the torn leaf?

25 and 26

400

Write 

√(6+4√2) in the form of a+√b

2+√2 

OR
a = 2, b = 2

400

Google Maps usually doesn't give you all the possible routes. 

What branch of mathematics helps it find the fastest path efficiently?

Graph theory:

shortest-path algorithms

400

If 10 people each shake hands with every other person exactly once, how many handshakes occur?

45

500

What are the 2 mathematical notations in our club’s profile picture?

Sigma and infinity

500

An image will be displayed

The domain of the function is as follows. What is a+d?

(0,1/2)U(1/2,3]

Thus, a+d = 0+3 = 3

500

How many trailing 0s (consecutive 0s at the end of a number) in 100! ?

24

500

Which famous theorem remained unproved for over 350 years before Andrew Wiles solved it?

Fermat's Last Theorem

500

What is the sum of the first 20 odd numbers?

20^2 = 400