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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adjacent angles  Read Word
are angles that have a common ray coming out of the vertex going between two other rays, with no overlap of the regions
coefficient  Read Word
a constant number that serves as a measure of some property or characteristic
constant  Read Word
invariable; repeating; continually occurring; persistent
distance formula  Read Word
algebraic expression that gives the distance between two points in a particular coordinate system in a particular number of dimensions
domain  Read Word
field; territory over which rule or control is exercised; networked computers that share a common address
formula  Read Word
plan; directions for making something; a group of symbols that make a mathematical statement
hypotenuse  Read Word
the side of a right triangle opposite the right angle
lateral area  Read Word
the sum of the areas of the lateral (vertical) faces of a cylinder, cone, frustum, or the like
linear equation  Read Word
a polynomial equation of the first degree
linear inequality  Read Word
an inequality which involves a linear function.
Pythagorean theorem  Read Word
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  Read Word
the set of values of the dependent variable for which a function is defined
scatter plot  Read Word
a type of display using Cartesian coordinates to display values for two variables for a set of data
scientific notation  Read Word
a method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10
slope  Read Word
be at an angle; incline; gradient
slope-intercept form  Read Word
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  Read Word
geometric figure having three dimensions
surface area  Read Word
the extent of a 2-dimensional surface enclosed within a boundary
term  Read Word
limited period of time; point in time at which something ends; termination; deadline