History of Zero
The Pythagoreans
Proofs
Greek Mathematicians
Bad Korean Jokes
100

This man, whose "principle" is described in our book as being used to solve quadratic equations, also created the < and > signs and is also believed to have first brought potatoes to Britain.

Who is "Thomas Harriot"?

100

This word describes the Pythagorean diet accurately.

What is vegetarian?

100

The Pythagorean Theorem states that the sum of the squares of the legs of a right triangle equals the square of this remaining longer side.

What is the hypotenuse?

100

This Greek mathematician is responsible for the most famous theorem in trigonometry.

Who is Pythagoras?

100

What can you do if someone sues you for selling them a bad watermelon?

You can "수-박."

200

This civilization was the first to use a symbol for zero, the "holy hand grenade" shape.

What is Egypt?

200

The Pythagoreans notably included this group of people, otherwise often marginalized in academic communities, as equals in their secret society.

Who are women?

200

This common Pythagorean triple was used as the basis for ancient Egyptian right angle construction, and it was also used in China's first proof of the "Gougu Theorem."

What is the 3/4/5 triangle?

200

This Greek mathematician was the first "true thinker" and the earliest on our list.

Who is Thales?

200
How do you greet your friend Ann at the beach?

"해-안!"

300

This Central American civilization used a shell as their placeholder for zero, and they also left the first existing evidence of human use of chocolate.

Who were the Maya?

300

Pythagoreans used concepts of harmony and balance to describe this academic discipline, one of their Big Seven.

What is justice?

300

The Babylonian cuneiform tablet Plimpton 322 gave 15 examples of Pythagorean triples using this many sides of the right triangles.

What is 2? (The shorter leg and the hypotenuse)

300

The last of the "big three" of Greek philosophy, this teacher at the Academy also taught virtually every academic subject in the ancient world, but is mostly known for logic and science.

Who is Aristotle?

300

How do you greet your school chef, Lisa?

"요-리사!"

400

This counting system uses only the symbols 0 and 1 to write all other numbers and is often used for computer coding.

What is binary?

400

Pythagoreans formed the basis for music theory, including stringed and wind instruments and chords, by using this "R" math concept to describe how tensions compared to each other.

What are ratios?

400

This common quadrilateral was used by U.S. President James Garfield in his proof of the Pythagorean Theorem.

What is the trapezoid?

400

This great mathematician discovered ways to solve problems similar to algebra and integral calculus using his "method of exhaustion"; he also turned Greek math back towards geometry and was a student of Plato.

Who is Eudoxus?

400

What is the most popular puzzle in Seoul?

"수도"-쿠.

500

This Hindu temple in India contains the earliest existing evidence of the modern symbol for zero.

What is Chaturbhuj Temple?

500

The Pythagoreans studied 7 disciplines in depth; name at least four of them.

What are numbers, geometry, music, outer space, justice, the body, and the soul?

500

This common abbreviation for an algebraic technique, an extension of the Distributive Property, is used in modern versions of the square-based Pythagorean proofs crafted by China and India to expand (a+b)2.

What is FOIL?

500

This "great experimenter" and inventor was also known for his formula, which can calculate area of a triangle without knowing its height.

Who is Hero of Alexandria?

500

What did the girlfriend do when her boyfriend gave her a bad haircut?

그녀는 그와 "헤어-졌어."