These are the words and definitions your will be assessed over for the second quarter.

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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.

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equivalent fraction

Fractions that name the same amount or part.

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improper fraction

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

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mixed number

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

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numerator

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

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proper fraction

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

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reciprocal

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

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evaluate

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

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exponential form

A number written with a base and an exponent.

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integer

The set of all whole numbers and their opposites.

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simplify

To find the value of a numerical expression.

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solution

A value for a variable that makes an equation true.

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x-axis

The horizontal axis on a coordinate plane.

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x-coordinate

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

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y-axis

The vertical axis on a coordinate plane.

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y-coordinate

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