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absolute value

The distance of a number from zero on a number line.

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slope

The way of describing the steepness of a line, ramp or hill. The ratio of rise to run.

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area

The number of square units needed to cover a surface.

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perimeter

The distance around a polygon

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variable

A letter or symbol that stands for one or more numbers.

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factor

A number that is multiplied by another number to find a product.

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integer

The set of whole numbers and their opposites.

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inequality

A mathematical expression which shows that two quantities are not equal.

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percent

A ratio comparing a number to 100.

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reciprocal

One of two numbers whose product is 1. Also known as the multiplicative inverse of a number.

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multiple

The product of any number and a whole number. The value obtained by repeated addition.

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Order of Operations

The rules for performing operations in expressions with more than one operation.

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like terms

Two or more terms that have the same variable raised to the same power.

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linear

A constant change in x that corresponds to a constant change in y, forming a straight line.

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expression

A mathematical phrase that combines operations, numbers, and/or variables.

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equation

A statement that two expressions have the same value.

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formula

An equation that states a rule or a fact.

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distributive property

The property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products. a(b+c)= ab+ac

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rational numbers

Any number that can be written as a ratio, a/b where a and b are integers and b doesn't = 0.

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volume

The number of cubic units needed to fill a space.

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simplify

To rewrite an expression as simply as possible.

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origin

The point where the x-axis and the y-axis intersect on the coordinate plane.

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intercept

The point of a line or curve where it crosses the x-axis or y-axis.

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constant

A value that does not change.

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irrational number

Any number that cannot be written as a ratio, repeating, or terminating decimal.

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coefficient

The number that is multiplied by the variable in an algebraic expression or equation.

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terms

The parts of an expression that are separated by an addition or subtraction sign.

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ratio

a comparison of two numbers by division.

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evaluate

To find the value of a numerical or algebraic expression.

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ordered pair

A pair of numbers used to locate a point on a coordinate plane.

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