Famous Mathematicians
Numbers in History
Number Puzzles
Closest Without Going Over
Math Around the World
100

This English scientist developed calculus independently of Leibniz and famously described the three laws of motion.

Who is Isaac Newton?

100

This many original colonies declared independence from Great Britain and later became the first U.S. states.

What is 13?

100

I am the only even prime number.

What is 2?

100

How many keys are on a standard modern piano?

88

100

The mathematical symbol pi is a letter from this ancient alphabet.

What is the Greek alphabet?

200

This English mathematician and codebreaker helped crack the Enigma code during World War II and is considered a founder of modern computer science.

Who is Alan Turing?

200

This number of Apollo was the first mission to land humans on the Moon.

What is 11?

200

I am a two-digit number. My digits add to 9, and reversing my digits makes me 27 larger. What number am I?

What is 36?

200

How many total episodes of The Office (U.S.) were produced?

201

200

In Roman numerals, this letter represents the number 50.

What is L?

300

This ancient Greek mathematician, famous for his theorem about right triangles, led a secretive community whose members believed that numbers were the basis of everything.

Who is Pythagoras?

300

Despite its name, the War of 1812 ended in this year when the Treaty of Ghent took effect.

What is 1815? 

300

This is the smallest positive number divisible by 2, 3, 4, 5, and 6.

What is 60?

300

In feet, how tall is the Eiffel Tower, including its antennas?

1,083 feet

300

The modern decimal number system reached Europe through Arabic scholars but originated in this country.

What is India?

400

This German mathematician, sometimes called the “Prince of Mathematicians,” reportedly amazed his teacher as a child by quickly adding all the integers from 1 to 100.

Who is Carl Friedrich Gauss?

400

According to tradition, Martin Luther challenged the Catholic Church by publishing this many theses in 1517.

What is 95?

400

This is the smallest positive integer greater than 1 that is both a perfect square and a perfect cube.

What is 64?

400

How many miles long is the Mississippi River, according to the National Park Service?

2,350 miles

400

This ancient calculation tool used around the world, uses beads that slide along rods to represent and manipulate numbers.

What is an abacus?

500

While still a teenager, this French mathematician developed ideas that helped create group theory. He died at age 20 after being wounded in a duel.

Who is Évariste Galois?

500

William the Conqueror’s victory at the Battle of Hastings occurred in this year.

What is 1066?

500

I am less than 100. Dividing me by 2 leaves a remainder of 1, by 3 leaves 2, by 4 leaves 3, by 5 leaves 4, and by 6 leaves 5. What number am I?

What is 59?

500

Approximately how many individual pieces are in the LEGO model of the Eiffel Tower, the largest retail LEGO set by piece count?

10,001 pieces

500

Ancient mathematicians from this Mesopotamian civilization used a base-60 number system that still influences how we measure time.

Who were the Babylonians?