# ACT Science Vocabulary - Math

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## ACT Science Vocabulary - Math

It is a word list of ACT science math test. It helps test takers to recall math words by categories.

ACT Math Points

1. Pre-Algebra：23% - Contents before high school: fraction, decimal, integer, square root, ratio, percent, multiple and factor, absolute value, linear equations with one variable, probability, etc.

2. Elementary Algebra：17% - Include: use variables to express relationships, substitute the value of a variable in an expression, solve simple quadratic equations by factoring, solve linear inequalities with one variable, apply properties of integer exponents and square roots, etc.

3. Intermediate Algebra：15% - Include: quadratic formula, radical and rational expressions, inequalities and absolute value equations, sequence, quadratic inequality, function, matrix, roots of polynomials, etc.

4. Coordinate Geometry：15% - Include: standard (x,y) coordinate plane, point, line, polynomial, circle, curve, slope, parallel, perpendicular, distance, midpoint, transformation, conic, etc.

5. Plane Geometry：23% - Include: triangle, rectangle, parallelogram, trapezoid, circle, parallel line, perpendicular line, translation, rotation, perimeter, area, volume, etc.

6. Trigonometry：7% - Include: right triangle, value, property, and graph of trigonometric function, trigonometric identity, etc.

ACT Math Vocabulary
plus
sum
minus
subtract
difference
multiply
product
divide
divisible
quotient
remainder
root
equivalent
double
triple
polynomial
factoring polynomial
inequality
equation
linear equation
solution
fraction
numerato
denominator
least common denominator
reciprocal
quarter
decimal
decimal point
terminating decimal
infinite decimal
recurring decimal
repeating decimal
ones unit
tenths unit
hundredth unit
arithmetic mean
geometric mean
exponent
power
degree
base
cube
square root
perfect square
cube root
logarithm
constant
variable
factorization
absolute value
to the nearest
natural number
positive number
negative number
odd integer
odd number
even integer
even number
integer
positive integer
negative integer
non-negative integer
consecutive integer
real number
complex number
rational number
irrational number
prime number
common divisor
multiple
least common multiple
prime factor
greatest common factor
digit
hundred
tens
unit
mode
mean
median
percent
arithmetic sequence
difference
geometric sequence
ratio
term
matrix
row
column
element
approximate
counter clockwise
proportion
direct proportion
inversely proportion
permutation
order
combination
alternate angle
corresponding angle
vertical angle
central angle
interior angle
exterior angle
supplementary angles
complementary angle
acute angle
obtuse angle
right angle
round angle
straight angle
included angle
equilateral triangle
scalene triangle
isosceles triangle
right triangle
oblique
inscribed triangle
semicircle
concentric circles
pentagon
hexagon
heptagon
octagon
decagon
polygon
parallelogram
equilateral
plane
square
rectangle
regular polygon
rhombus
trapezoid
cube
rectangular solid
regular solid
regular polyhedron
circular
cone
sphere
solid
altitude
depth
side
circumference
perimeter
surface area
volume
arm
cross section
center of a circle
chord
angle bisector
diagonal
diameter
edge
face of a solid
hypotenuse
included side
leg
median of a triangle
base
opposite
midpoint
endpoint
vertex
tangent
transversal
intercept
arc
straight line
line segment
parallel lines
segment of a circle
coordinate system
rectangular coordinate
origin
abscissa
ordinate
number line
slope
complex plane
Coordinate
plane geometry
trigonometry
bisect
circumscribe
inscribe
intersect
perpendicular
Pythagorean theorem
congruent
multilateral
cent
penny
nickel
dime
dozen
score
Fahrenheit
quart
gallon
yard
meter
micron
inch
foot
minute
square measure
cubic meter
pint
intercalary year
leap year
common year
depreciation
down payment
discount
margin
profit
interest
simple interest
compounded interest
dividend
decrease to
decrease by
increase to
increase by
denote
list price
markup
per capita
ratio
retail price
tie