Number
The only number that has the same number of letters as its meaning
What is four?
The number of sides of a nonagon
What is 9?
The only temperature that is the same in Fahrenheit and Celsius?
What is -40?
The most popular lucky number
What is seven?
The number sequence which often appears in nature that was discovered in 120AD
What is the Fibonacci Sequence?
The number which is the sum of its multiples when you add the singles digits together
What is 9?
The number if equal sides of an icosahedron
What is 20?
The number that 'giga' stands for
What is a billion?
The most popular two-digit number
What is 13?
The civilisation using Pythagoras' theorem more than 1000 years before Pythagoras
Who were the Babylonians?
The only number spelled with letters in alphabetical order
What is forty?
The number of sides of a dodecahedron
What is 12?
The developer of the Cartesian Plane
Who is Descartes?
The number of different combinations for a Rubix cube?
What is 43 quintillion?
The sign first used in 1557 by Robert Recorde
What is the equals sign?
The letter which every odd number has in it
What is E?
The name given to circles with the same center
What is concentric?
What is 1440?
The number of cupcakes in a baker's dozen
What is 13?
The number first used in 1938 by 9 year old Milton Sirotta
What is googol?
Hundrath is the Norse number
What is 120?
The number that opposite sides of a die sum to
What is 7?
The exterior angle of a regular decagon
What is 36o?
The number of colours on a map so that no border will share a colour
What is 4?
The number discovered by Brahmagupta around 600AD
What is zero?