###
common denominator

A denominator that is the same in two or more fractions.

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denominator

The bottom number of a fraction that tells how many equal parts are in the whole.

###
equivalent fraction

Fractions that name the same amount or part.

###
improper fraction

A fraction in which the numerator is greater than or equal to the denominator.

###
mixed number

A number made up of a whole number that is not zero and a fraction.

###
numerator

The top number of a fraction that tells how many parts of a whole are being considered.

###
proper fraction

A fraction in which the numerator is less than the denominator.

###
reciprocal

One of two numbers whose product is 1 (example: the reciprocal of 2/3 is 3/2).

###
evaluate

Substitute a number for the variable and then find the value by simplifying.

###
exponential form

A number written with a base and an exponent.

###
integer

The set of all whole numbers and their opposites.

###
simplify

To find the value of a numerical expression.

###
solution

A value for a variable that makes an equation true.

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x-axis

The horizontal axis on a coordinate plane.

###
x-coordinate

The first number in an ordered pair; it tells the distance to move right or left from the origin.

###
y-axis

The vertical axis on a coordinate plane.

###
y-coordinate

The second number in an ordered pair; it tells the distance to move up or down from the origin.

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