summary

Question 1

If you have the time, Circumference

Answer 1

The circumference of a circle can be calculated using radius or diameter: C = 2 * π * r or C = π * d

Question 2

How many sides does a pentagon have?

Answer 2

Five

Question 3

1 inch to centimeters

Answer 3

1 inch = 2.54 centimeters

Question 4

Diameter

Answer 4

Diameter is the distance from one side of a circle to the other measured in a straight line through the center.

Question 5

Volume

Answer 5

Volume is the amount of space within a three-dimensional figure. It is measured in units of distance cubed.

Question 6

perpendicular

Answer 6

Lines that form a 90º angle at their intersection.

Question 7

Area

Answer 7

Area is the measure of space on a surface. It is measured in units squared.

Question 8

Factors

Answer 8

Factors are numbers that a number is evenly divisible by. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Question 9

Mean

Answer 9

The average of a group of numbers.

Question 10

Median

Answer 10

The middle number in a set of numbers when they are ordered from least to greatest.

Question 11

Mode

Answer 11

The most commonly occurring number in a set.

Question 12

Multiples

Answer 12

Multiples are numbers that result when you multiply a number.

Question 13

parallel

Answer 13

Lines that are the same distance apart at every point along their length and never touch are called parallel.

Question 14

What is pi?

Answer 14

In a circle, the ratio of its circumference to diameter is always pi.

Question 15

What are the qualifications for a number to be considered prime?

Answer 15

A number is prime if it is divisible by only 1 and itself.

Question 16

Radius

Answer 16

The distance from the center of a circle to its edge.

Question 17

Why do we use Roman numerals and how do you read them?

Answer 17

Roman numerals originated as a counting system in ancient Rome. These characters are still prevalent in architecture, but also in more modern-day applications (e.g. Super Bowl XLVIII).

The seven numerals used today:

I - 1
V - 5
X - 10
L - 50
C - 100
D - 500
M - 1000

Question 18

1 yard to feet

Answer 18

1 yard = 3 feet

Question 19

1 pound to ounces

Answer 19

1 pound = 16 ounces

Question 20

1 mile to kilometers

Answer 20

1 mile = 1.609 kilometers