Calculations
Vocabulary
More Calculations
Number Fun
Math Trivia
100

What is 1 billion minus 10?

999,999,990

100

What is the name of the longest side of a right triangle?

hypotenuse

100

What is 13 times 4?

52

100

Apart from one, I am the first positive number that is both a square and a cube.

64

100

The Fields medal is often considered the mathematical equivalent of what award?

Nobel Prize

200

What is the square root of 144?

12

200

What is the top number of a fraction called?

Numerator

200
In decimal form, what is 4/5?

0.8

200

What is the sum of the interior angles of a triangle?

180 degrees

200

When is Pi day?

March 14

300

What is 30% of 400?

120

300

How many sides does a nonagon have?

9

300

What is the square of 1/2?

1/4

300

An improper fraction is always greater than what number?

1

300

What is the only number that has the same number of letters as its meaning?

four

400

How many seconds are in one day?

86,400

400

What is an angle greater than 90 degrees called?

Obtuse

400

What is 1 - 0.9999999...?

0

400

What are the first five digits of Pi?

3.14159

400

What is the only number that has its letters in alphabetical order?

forty

500

What is the least common multiple of 6, 8, and 12?

24

500

The ratio of the circumference of a circle to its diameter is called ______?

Pi

500

What is the next number in this sequence: 1, 1, 2, 3, 5, 8, 13, 21, ____?

34

500

What number is twice the sum of its digits?

18

500

What is the first number to contain the letter A?

One thousand