# GRE Math Vocabulary and Sign

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 By Kurzhuba Sample

## GRE Math Vocabulary and Sign

GRE includes math module. Some test-takers, especially ESL students, aren't familiar with words in math questions. This short math word list and math sign table are for GRE test takers to learn math-related vocabulary quickly and efficiently.

Math Words
• abscissa
• absolute value
• account for
• acute angle
• acute triangle
• algebra
• algebraic expression
• algebraic fraction
• algebraic term _
• aliquot
• aliquant
• alternate angles
• altitude
• amount
• angle
• angle bisector
• apex
• apiece
• approximately
• approximation
• arc
• area
• arithmetic
• arithmetic(al) average
• arithmetic(al) mean
• at random
• at right angles with
• be composed of
• be equal to
• be equivalent to anther equation
• be fewer than
• be greater than
• be greater than or equal to
• be inscribed in
• be less than
• be less than or equal to
• be parallel to
• be perpendicular to
• calculate to three decimal places
• cancellation
• common difference
• common divisor(factor)
• common ratio
• common multiple
• complement
• complementary angle
• complete circle
• complex fraction
• composite number
• compound
• compound interest
• decagon
• decimal
• decimal fraction
• decimal place
• decimal point
• decrease
• deduct
• degree
• denominator
• denote
• depth
• equality
• equation
• equiangular
• equidistance
• equivalent
• equivalent fraction
• even integer
• geometric mean
• geometric progression
• greatest common divisor
• halve
• height
• heptagon
• hexagon
• horizontally
• hundreds
• hundredth
• hypotenuse
• randomly
• rate
• ratio
• ray
• real number
• reciprocal
• rectangle
• rectangular
• reduce
• regular
• remainder
• remote interior angles
• repeating decimal
• revolution
• rhombus
• right
• root
• round
• satisfy
• scale drawing
• scalene
• secant
• section
• sector
• segment
• sequence
• set
• side
• sign(symbol)
• similar
• simple annual interest
• simple fraction
• simultaneous equations
• slope
• solid
• solid lines
• solution
• sphere
• square
• straight angle
• straight-line distance
• subdivide
• subtract…from
• successive
• such that
• sum
• surface area
• X-axis
• X-coordinate
• XY-coordinate system
• Y-axis
• Y-coordinate
Signs
• ＋ plus ;positive
• － minus ;negative
• × multiplied by ;times
• ÷ divided by
• ＝ Equals
• ≈ approximately equals
• ≠ not equal to
• ＜ less than
• ＞ greater than
• ≤ equal to or less than
• ≥ equal to or greater than o
• ( ) round brackets ;parentheses
• [ ] square brackets
• { } Braces
• ∈ is a member of the set
• ⊂ is a subset of
• ∽ similar to
• ≌ congruent to
• * denotes an operation
• ∴ Therefore
• ∵ Because
• ∶ ratio sign, divided by, is to
• ∷ equals, as(proportion)
• ∥ parallel to
• ⊥ perpendicular to, at right angles with
• ∠ Angle
• ∟ right angle
• º Degree
• ′ Minute
• ″ Second
• ⊙ Circle
• A⁀B arc AB
• e the base of natural logarithms,approx.2.71828
• x! factorial x, x(x-1)(x-2)---1
• lognx log x to the base n
• π Pi
• lnx log x to the base e(natural logarithm)
• lgx log x to the base 10(common logarithm)
• |x| the absolute value of x