7th Grade Cards: 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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absolute value
a real number regardless of its sign
acute triangle
a triangle whose interior angles are all acute
bisector
the line that divides something into two equal parts
corresponding angles
when two lines are crossed by another line, the angles in matching corners
discount
give reduction in price on; an amount or percentage deducted
equilateral triangle
a three-sided regular polygon
experimental probability
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
scientific notation, a way of writing numbers that are too big or too small to be conveniently written in decimal form
exterior angles
the angle between a side of a rectilinear figure and an adjacent side extended outward
interest
the power of attracting or a fixed charge for borrowing money; usually a percentage of the amount borrowed
interior angles
the angle between adjacent sides of a rectilinear figure
isosceles triangle
a triangle with two equal sides
negative
less than zero; having a negative charge; reckoned in a direction opposite to that regarded as positive
obtuse triangle
a triangle that contains an obtuse interior angle
outcome
result; end or consequence; result of a random trial
permutations
rearrangement of the elements of a set
positive
involving advantage or good ; greater than zero; very sure; confident
radical sign
a sign indicating the extraction of a root
ratio
relation which one quantity or magnitude has to another of the same kind; rate; proportion
regular polygon
a polygon with all sides and all angles equal
rhombus
a parallelogram with four equal sides; an oblique-angled equilateral parallelogram
right triangle
a triangle with one right angle
scale factor
a number used as a multiplier in scaling
scalene triangle
a triangle with no two sides of equal length
theoretical probability
the probability that a certain outcome will occur, as determined through reasoning or calculation.
transversal
extending or lying across; in a crosswise direction; at right angles to the long axis
unit rate
the estimated market value contribution for each unit of an improvement
vertical angle
either of two equal and opposite angles formed by the intersection of two straight lines
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