Circles
The distance around a circle
circumference
What is the Pythagorean Theorem?
a2 + b2 = c2
The answer to an addition problem
sum
What is a math teacher's favorite dessert?
pi
Is 55,542 divisible by 3?
yes
The distance from one side of a circle to the other through the middle
diameter
What is the side of a right triangle opposite the right angle?
hypotenuse
The answer to a subtraction problem
difference
What do you get when you divide the circumference of a jack-o’-lantern by its diameter?
Pumpkin pi
What is the average of 6, 9 and 15?
10
The distance from the center of a circle to the edge
radius
If a = 20, what is a2?
400
The answer to a multiplication problem
product
Why should you never talk to pi?
He'll go on forever
What is the value of pi that we use?
The ratio of the circumference of a circle to the diameter
pi
If c2 = 225, what is c?
c = 15
The distance around the outside of a shape
perimeter
What are 3.14% of sailors?
pi-rates
Which of these sets of numbers are consecutive?
a) 78, 79, 80
b) 3, 5, 7
c) 4, 9, 16
d) 5, 10, 15
The formula for the circumference of a circle
diameter x pi
If a = 3 and b = 4, what is c?
5
Name the prime numbers less than 20
2, 3, 5, 7, 11, 13, 17, 19
What is 1.57?
Half a pie
Who was the librarian who measured the circumference of the Earth over 2000 years ago?
Eratosthenes