7th Grade Word List - Math

Words for students of 7th Grade, the page is for math words (List 1), which are essential vocabulary for 7th Grade academic classes.
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 7th Grade: 7th Grade Word List - Math (List 1)
absolute value
Speak
a real number regardless of its sign
acute triangle
Speak
a triangle whose interior angles are all acute
bisector
Speak
the line that divides something into two equal parts
corresponding angles
Speak
when two lines are crossed by another line, the angles in matching corners
discount
Speak
give reduction in price on; an amount or percentage deducted
equilateral triangle
Speak
a three-sided regular polygon
experimental probability
Speak
the ratio of the number of outcomes in which a specified event occurs to the total number of trials, not in a theoretical sample space but in an actual experiment.
exponential notation
Speak
scientific notation, a way of writing numbers that are too big or too small to be conveniently written in decimal form
exterior angles
Speak
the angle between a side of a rectilinear figure and an adjacent side extended outward
interest
Speak
the power of attracting or a fixed charge for borrowing money; usually a percentage of the amount borrowed
interior angles
Speak
the angle between adjacent sides of a rectilinear figure
isosceles triangle
Speak
a triangle with two equal sides
negative
Speak
less than zero; having a negative charge; reckoned in a direction opposite to that regarded as positive
obtuse triangle
Speak
a triangle that contains an obtuse interior angle
outcome
Speak
result; end or consequence; result of a random trial
permutations
Speak
rearrangement of the elements of a set
positive
Speak
involving advantage or good ; greater than zero; very sure; confident
radical sign
Speak
a sign indicating the extraction of a root
ratio
Speak
relation which one quantity or magnitude has to another of the same kind; rate; proportion
regular polygon
Speak
a polygon with all sides and all angles equal
rhombus
Speak
a parallelogram with four equal sides; an oblique-angled equilateral parallelogram
right triangle
Speak
a triangle with one right angle
scale factor
Speak
a number used as a multiplier in scaling
scalene triangle
Speak
a triangle with no two sides of equal length
theoretical probability
Speak
the probability that a certain outcome will occur, as determined through reasoning or calculation.
transversal
Speak
extending or lying across; in a crosswise direction; at right angles to the long axis
unit rate
Speak
the estimated market value contribution for each unit of an improvement
vertical angle
Speak
either of two equal and opposite angles formed by the intersection of two straight lines