# Mathematical Vocabulary Page

• This is a list of mathematical vocabulary words to assist students with understanding computational and reasoning concepts.  Students will use this vocabulary listing to add to their glossary of terms during the school year.

• Absolute Value - the distance a number is away from zero

Area - the covering of a two-dimensional shape

Coordinate Plane - the plane containing the x- and y- axes

Difference - the solution to a subtraction problem

Dividend - the number that is being split into groups

Divisor - a number that divides into another

Equivalent Ratio - two ratios that express the same relationship; all equivalent ratios can be simplified to the same ratio value

Inequality - states that two values are not equal

Integer - a positive or negative whole number

Lateral Surface Area - the area of the sides (faces) of a three-dimensional object

Net - a two-dimensional representation of a three-dimensional object

Opposite - two integers can be opposites if they are equal distance away from zero on the number line but on different sides of zero

Origin - the point (0, 0); where the x- and y- axes intersect

Parallelogram - a quadrilateral with opposite sides parallel and opposite sides congruent

Product - the solution to a multiplication problem

Proportion - two equal ratios

Quadrant - four regions of the coordinate plane

Quotient - the solution to a division problem

Ratio - a comparison between two different quantities

Ratio Table - a table which includes values that are equivalent ratios

Rational Number - a number that can be written as a fraction, as a terminating decimal or as a repeating number

Rectangular Prism - a three-dimensional object with two rectangular bases

Scale Factor - the ratio of two corresponding sides in a set of similar figures

Sum - the solution to an addition problem

Total Surface Area - the area of the faces and bases of a three-dimensional object

Trapezoid - a quadrilateral with one set of parallel sides

Triangle - a three-sided polygon with a sum of 180 degrees in the angle measures

Volume - the amount of space a three-dimensional object occupies

Whole Number - a postive counting number starting with zero