Math History
What is the number 2.71828 referred to as?
Euler's number (e)
What's a googol?
10100
17x + 2 = 3x - 12
Find x.
x = -1
What do you call a quadrilateral with two pairs of opposite parallel sides and all sides the same length? The angle doesn’t have to be 90 degrees.
Rhombus
Why was the equal sign so humble?
Because it knew it wasn't less than or greater than anyone else.
Writing the first computer program
What is 67 in binary?
1000011
x - z = 7
x + y = 3
z - y = 6
Find x.
8
What is the hypotenuse length of a triangle with legs 14 and 48?
50
What number does the Roman numeral DXXIII represent?
523
Which natural number did the Egyptians consider to be sacred?
9 (because it stands for 'all' gods)
A perfect number is a positive integer equal to the sum of its divisors. What is the smallest perfect number more than 10?
28
A culture of 10 bacteria doubles every 15 minutes. What's the size of the colony after 2 hours?
2560 bacteria
What is the height of an equilateral triangle with length 6?
sqrt(27)
What is the mathematical term for the pattern seen in the spirals of a sunflower?
Fibonacci sequence (or Fibonacci spiral)
When was the binomial theorem discovered?
1665
What is the sum of the positive divisors of 48?
124
The area of a rectangle inside a fence is 30cm2. After the owner increased the width by 1m and decreased the length by 1m, the area stayed the same. Find the original length and width of the area.
5cm, 6cm
What is the sum of the interior angles for a regular polygon with 14 sides?
2160 degrees
I add six to eleven, and get five. Why is this correct?
Because I'm a clock
Who was the first person to calculate pi?
Archimedes of Syracuse
How many ways are there to draw a rectangle in a 3 x 4 square grid?
60 ways
log2(8x - x2) = 4
Find x.
x = 4
What is the type of geometry that is based on a curved plane?
Non-Euclidean Geometry
In the TV show The Big Bang Theory, what is Sheldon Cooper's favorite number? (Extra point for why?)
73 (Sheldon Cooper's favorite number is 73 because it is the 21st prime number, and its mirror, 37, is the 12th prime number, which is the reverse of 21.)