# Elementary Academic Words

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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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