12TH ANNUAL NATIONAL MATHEMATICS COMPETITION REVIEW

These flashcards cover key vocabulary and concepts from the 12TH Annual National Mathematics Competition in preparation for the exam.

Algebra

A branch of mathematics dealing with symbols and the rules for manipulating those symbols.

Factor

A number that divides another number without leaving a remainder.

Prime Number

A natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

Percentage

A way of expressing a number as a fraction of 100.

Ratio

A relationship between two numbers indicating how many times the first number contains the second.

Sum of Angles

The total measure of the angles in a polygon, for a rectangle it equals 360 degrees.

Prism

A solid geometric figure with two identical ends and flat faces.

Lorry

A large vehicle for transporting goods.

Digits

The symbols used to represent numbers, from 0 to 9.

Perimeter

The total distance around the edge of a polygon.

Volume

The amount of space that a substance or object occupies.

Common Factor

A number that is a factor of two or more numbers.

Sequence

An ordered list of numbers following a particular pattern.

Rounding

The process of reducing the digits in a number while trying to keep its value close to what it was.

Distance

The amount of space between two points.