Words for students from kindergarten to grade 8, each grade has 4 lists: art, math, science, and social. They are essential vocabulary for elementary academic classes.

**Grade 8: Word List - Math**

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Grade and Subject |

adjacent angles

are angles that have a common ray coming out of the vertex going between two other rays, with no overlap of the regions

coefficient a constant number that serves as a measure of some property or characteristic

constant invariable; repeating; continually occurring; persistent

distance formula algebraic expression that gives the distance between two points in a particular coordinate system in a particular number of dimensions

domain field; territory over which rule or control is exercised; networked computers that share a common address

formula plan; directions for making something; a group of symbols that make a mathematical statement

hypotenuse the side of a right triangle opposite the right angle

lateral area the sum of the areas of the lateral (vertical) faces of a cylinder, cone, frustum, or the like

linear equation a polynomial equation of the first degree

linear inequality an inequality which involves a linear function.

Pythagorean theorem a relation in Euclidean geometry among the three sides of a right triangle, it states that the square of the hypotenuse is equal to the sum of the squares of the other two sides

range of a function the set of values of the dependent variable for which a function is defined

scatter plot a type of display using Cartesian coordinates to display values for two variables for a set of data

scientific notation a method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10

slope be at an angle; incline; gradient

slope-intercept form the equation of a straight line in the form y = mx b where m is the slope of the line and b is its y-intercept

solids geometric figure having three dimensions

surface area the extent of a 2-dimensional surface enclosed within a boundary

term limited period of time; point in time at which something ends; termination; deadline