- The area of a flat, or plane figure is the number of unit squares that can be contained within it.
- area
- the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
- algebra
- a statement that the values of two mathematical expressions are equal
- equation
- a numerical quantity that is not a whole number
- Fraction
- Multiplying a number by itself
- squaring
- A real number that cannot be expressed as a rational number.
- Irrational Number
- Whole numbers and their opposites.
- intergers
- The distance around a circle (perimeter)
- circumference
- Same shape and same size
- Congruent
- A pair of numbers, (x, y), that indicate the position of a point on a Cartesian plane
- Ordered pair
- When 2 or more edges intersect they form these.
- Verticies
- An average of numbers.
- Mean
- The middle of the numbers.
- Median
- The number that is the most used/shown
- Mode
- The largest number minus the smallest number.
- Range
- A term describing gathered information such as a set of numbers or facts
- data
- Lines with no common points and always the same distance apart
- parallel lines
- The result of simplifying an expression.
- value
- the point or line where two faces meet, or, in set theory, those elements common to two or more sets
- intersection
- A constant is a fixed number, rather than a variable number. In the equation x=2y+3 the numbers 2 and 3 are constants
- constant

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