8th STAAR Math Vocabulary

total surface area

• the total area of all the faces of a 3D figure

• the area of the base of a 3D figure

• the perimeter of a 2D shape

• the volume of a 3D figure

perimeter

• distance around a figure

• total area of a shape

• length of the longest side

• sum of all angles in a figure

translation

• a slide

• a translation of a text

• a type of document

• a language

pythagorean theorem

• a formula to find the missing side of a right triangle

• a method to calculate the area of a triangle

• a theorem related to the angles of a triangle

• a rule for finding the perimeter of a triangle

slope

• rate of change

• angle of inclination

• vertical distance

• horizontal distance

dilation

• shape gets bigger or smaller

• shape remains the same

• shape rotates

• shape flips over

non-proportional

• doesn't cross through (0,0) and ratios are not equal

• crosses through (0,0) and ratios are equal

• has a constant rate of change

• is a linear relationship

ascending

• greatest to least

• least to greatest

• random order

• in descending order

function

• a relation where x is paired with only one y

• a relation where x can be paired with multiple y values

• a random set of numbers

• a sequence of operations performed on x

lateral surface area

• the area of the faces that does not include the base of a 3D shape

• the total area of all faces of a 3D shape

• the area of the base of a 3D shape

• the area of the edges of a 3D shape