
A
abacus
abscissa
absolute convergence
absolute error
absolute inequality
absolute maximum
absolute minimum
absolute value
absolute value (complex number)
accuracy
acre
acute angle
acute triangle
add
addend
addition
addition (of complex numbers)
addition (of fractions)
addition (of matrices)
addition (of vectors)
addition formula
addition property of opposites
addition sentence
additive identity
additive inverse
adjacent angles
adjacent faces
adjacent side (in a triangle)
adjacent sides
admissible hypothesis
after
algebra
algebraic expression
algebraic operating system (AOS)
algorithm
alternate exterior angles
alternate interior angles
alternating series
altitude (of a plane figure)
altitude (of a solid figure)
A.M. and P.M.
ambiguous
ambiguous case
amplitude
analog
analog clock
analogy
analysis
analytical geometry (coordinate geometry)
anchor ring
and
angle
angle (between two curves)
angle (in space)
angle of depression
angle of inclination
anglesideangle (ASA)
annually
annulus (plural annuli)
antecedent
anticlockwise
antiderivative
antilogarithm
apothem
April
arc
arc length
arc sech
arc sinh
arc tanh
arc
arccos (arc cosine)
arccsc (arc cosecant)
arcctn (arc cotangent)
arcsec (arc secant)
arcsin (arc sine)
arctan (arc tangent)
area
area of a circle
area of a parallelogram
area of a square or a rectangle
area of a trapezoid
area of a triangle
area of an ellipse
Argand diagram
argument (algebra)
argument (complex number)
argument (in logic)
arithmetic
arithmetic mean
arithmetic progression
arithmetic sequence
arithmetic series
array
associative
associative property
associative property of addition
associative property of multiplication
asymmetric
asymptote
atto
attribute
August
average
axial plane
axiom (postulate)
axis (in solid geometry)
axis (in symmetry)
axis (plural axes)
azimuth (threedimension)
azimuth (twodimension)
B
balance
bar chart
bar graph
base (in a number system)
base (in an exponent)
base (in plane geometry)
base (in solid geometry)
base (of an exponential function)
base (of logarithms)
base unit
basis vectors
bearing
before
benchmark number
Bernoulli trial
between
between (in geometry)
beva
bias
biased sample
biconditional
bilateral symmetry
billion
bills
bimodal
binary logarithm
binary number
binary operation
binomial
binomial coefficient
binomial distribution
binomial expansion
binomial theorem
birectangular
bisect
bisector
Boolean algebra
bound
box and whisker plot
brackets
breadth
C
calculate (compute)
calculator
calculus
calculus of variations
calendar
cancel
capacity
cardinal number
cardioid
Cartesian coordinate system
Cartesian product (of sets A and B)
categorical data
catenary
cell
Celsius
census
cent
center
center (of a circle)
center (of a hyperbola)
center (of a regular polygon)
center (of a sphere)
center (of an ellipse)
centimeter (cm)
central angle
central tendency
centroid
certain
chain rule
characteristic (in logarithm)
characteristic (in set)
chart
chord
circle
circle graph
circular cone
circular cylinder
circular functions
circumference
circumscribe
circumscribed circle
class (in algebra)
class interval
classify
clockwise
closed (under an operation)
closed curve (closed contour)
closed figure
closed interval
closed set
closed surface
clustering
coefficient (in algebraic expressions)
coins
collinear
column
combination
commission
common denominator
common difference
common factor (in algebra)
common factor (in arithmetic)
common fraction
common logarithm
common multiple
common ratio
common tangent
commutative
commutative property
commutative property of addition
commutative property of multiplication
compare
compare and order
compass
compasses
compatible numbers
complement (of a set)
complementary
complementary angles
completing the square
complex fraction
complex number
complex plane
component
composite function
composite number
composition
compound event
compound interest
compound sentence (in logic)
computation
concave
concentric circles
concentric spheres
conclusion
concrete objects
concurrent lines
conditional convergence
conditional statement
cone
congruency
congruent
congruent figures
congruent polygons
conic sections
conical
conjecture
conjugate angles
conjugate of a complex number
conjunction
consecutive
consequent (in logic)
constant
construct (in geometry)
construction (in geometry)
continuous data
continuous function
continuous random variable
convenience sample
converge
convergent sequence
convergent series
converse
Converse of the Pythagorean Theorem
conversion factor
conversion graph
conversion table
convert
convex
coordinate geometry
coordinate plane
coordinate point
coordinates
coplanar
corner
corollary
correction
correlation
corresponding angles
corresponding sides
cos
cosec
cosecant (cosec or csc)
cosech
cosh
cosine (cos)
cosine rule
cot
cotangent (cot)
coth
count back
count on
counterclockwise
counterexample
counting numbers
cross multiply (cross products)
cross section
csc
cube (in algebra)
cube (in geometry)
cube root
cubic centimeter (cm^{3})
cubic equation
cubic meter (m^{3})
cubic unit
cuboid
cumulative frequency
cup (c)
curvature
curve
customary measurement system
cycle
cyclic polygon
cyclic quadrilateral
cycloid
cylinder
cylindrical
cylindrical polar coordinates
D
data
data analysis
data collection
day
days in a month
days of the week
De Moivre´s theorem
deca
decagon
decahedron
December
deci
decimal
decimal fraction
decimal number
decimal number system
decimal places (in rounding)
decimal point
decimeter
decomposition
deduce
deduction
deductive
deductive reasoning
definite integral (Riemann integral)
definition
degree (°)
degree (in physics)
degree (of a polynomial)
degree (of accuracy)
degree (of an equation)
degree (related to a variable)
degrees Celsius (°C)
degrees Fahrenheit (°F)
degrees of freedom
denominator
density property
density property for real numbers
denumerable set
dependent event
dependent variable
deposit
depth
derivative
derived unit
determinant
developable surface
deviation
diagonal (polygons)
diagonal (solids)
diagonal matrix
diagram
diameter of a circle
diameter of a sphere
difference
difference between two squares
differential
differential equation
differentiation
digit
digital
digital clock
digital root
dihedral angle
dilation
dime
dimension (in geometry)
dimension (of a matrix)
direct variation
directed number
direction (of a curve)
direction (of a vector)
directrix
discount
discrete
discrete data
discrete methods
discrete random variable
discriminant
disjoint
dispersion (in statistics)
displacement vector
distance (between two points)
distance formula (of two points)
distancetime graph
distributive
distributive operation
distributive property
distributive property of multiplication over addition
diverge
divergent sequence
divergent series
divide
dividend
divisibility
divisible
division
division of fractions
division sentence
divisor
dodecagon
dodecahedron
dollar
domain
domain of a relation
domain of a variable
double
double bar graph
double minus one
double plus one
doubleangle formula
draw
duodecimal system
E
e
eccentric
eccentricity
edge
elapsed time
element (in algebra)
element (in geometry)
elimination
ellipse
ellipsoid
empirical statement
empty set (null set)
enlargement
enumerable
envelope
epicycloid
equal
equal groups
equal parts
equality
equality (of complex numbers)
equality (of matrices)
equality (of real numbers)
equality (of sets)
equality (of vectors)
equally likely
equation
equiangular triangle
equilateral
equilateral triangle
equivalent
equivalent decimals
equivalent equations
equivalent expressions
equivalent fractions
equivalent ratios
Eratosthenes´ sieve (sieve of Eratosthenes)
error
estimate
estimation
Euclidean algorithm
Euclidean geometry
Euler´s formula (e^{ix})
Euler´s formula (for polyhedron)
evaluate
even function
even number
event
exceed
exception
exclusive (of events)
expand (in algebra)
expanded form
expected value (expectation)
experiment
experimental probability
exponent
exponential function
exponential series
expression
extend
exterior angle
extrapolate
extrapolation
F
face
fact family
factor (in algebra)
factor (in arithmetic)
factor 1st and 2nd degree polynomials
factor theorem
factor tree
factorial (of an integer)
factorization
Fahrenheit scale
fair
family
February
Fermat´s last theorem
fewer
Fibonacci numbers
Fibonacci sequence
figurate numbers
figure
finance charge
finite
finite set
first order differential equation
first quadrant
first quartile
flip
flowchart
focus (ellipse)
focus (hyperbola)
focus (parabola)
foot (ft)
formula
four quadrants
fourcolor problem
fractal
fractal geometry
fraction
frequency
frequency table
frustum of a cone
frustum of a pyramid
function
fundamental counting principle
fundamental theorem of algebra
fundamental units
G
gallon (gal)
Gaussian distribution
general form (of an equation)
generator
geodesic
geometric figures
geometric mean
geometric probability
geometric progression
geometric sequence
geometric series
geometry
glidereflectional symmetry
Goldbach´s conjecture
Golden Cut
golden ratio
golden rectangle
golden section
goniometer
gradient
gram (g)
graph
great circle
greater than (>)
greatest common factor (GCF)
greatest possible error (GPE)
greatest upper bound
grid
gross (profit)
gross weight
group
grouping property of addition
grouping property of multiplication
guess and check
H
half
halfangle formula
halfdollar
halfhour
halve
harmonic mean
harmonic sequence (harmonic progression)
harmonic series
HCF
hecto
height
helix
hemisphere
heptagon
Hero´s formula
hexadecimal
hexagon
hexahedron
highest common factor
histogram
horizon line
horizontal
horizontal bar graph
hour
hour hand
hundred
hundredth
hyperbola
hyperbolic functions
hyperboloid
hypocycloid
hypotenuse
hypothesis
I
icosahedron
identity
identity property
identity property of addition
identity property of multiplication
identity property of one
identity property of zero
illustrate
image
imaginary number
immediate recall
imperial units
imply
impossible
improper fraction
inch (in.)
incircle (inscribed circle)
include
increase
increasing pattern
increment
indefinite integral
independent event
independent variable
indeterminate equation
indeterminate form
index (plural indices)
indirect measure
indirect measurement
induction (mathematical induction)
inductive
inductive reasoning
inequality
inference
infinite sequence
infinite series
infinite set
infinitesimal
infinity
input/output table
inscribed
inscribed circle
inside
integer
integral
integral exponent
integrand
integration
intercept
interest
interior angle
interpolate
interpolation
interquartile range
intersecting lines
intersecting planes
intersection (in set theory)
intersection point
interval
invariant
inverse (of a matrix)
inverse element
inverse function
inverse hyperbolic functions
inverse operations (opposite operations)
inverse property
inverse property of addition
inverse property of multiplication
inverse trigonometric functions
irrational number
irregular polygon
irregular quadrilaterals
isometric transformation
isosceles triangle
iterated integral (multiple integral)
iteration
J
January
join
joule
July
June
justify
K
key
kilo
kilogram (kg)
kiloliter (kL)
kilometer (km)
kite
knot
L
label
lateral face
latitude
law of cosines
law of exponents
law of sines
law of tangents
LCD
LCM
least common denominator (LCD)
least common multiple (LCM)
least squares method
least upper bound
leg
length
less than (<)
like terms
likely
limit
line
line graph
line of best fit
line plot
line segment
line symmetry
linear equation
linear function
linear inequality
linear programming
linear rule
liter (L)
local maximum (relative maximum)
local minimum (relative minimum)
locus
log
loglog graph
logarithm
logarithmic function
logic
longitude
lower bound
lower extreme
lowest common denominator (LCD)
lowest common multiple
M
macro
magic square
magnitude
major arc
major axis (of an ellipse)
major sector
majority
Mandelbrot set
manipulatives
mantissa
map scale
mapping
March
markup
mass
mathematical situation
matrix
maximum point
May
mean (average)
mean (of a random variable)
mean deviation
measure
measures of central tendency
median
median (in geometry)
mediator
mega
mental computation (mental math)
meridian
meter (m)
metric system
micro
midpoint
mile (mi)
milli
milligram (mg)
milliliter (mL)
millimeter (mm)
million
minimum point
minor arc
minuend
minus sign
minute (min)
minute (of an angle)
minute hand
missing numbers
missing operations
mixed decimal
mixed number
Mobius strip (Mobius band)
mode
model
modulus
monomial
month
months of year
more than
multiple
multiplebar graph
multipleline graph
multiplicand
multiplication
multiplication of fractions
multiplication property of zero
multiplication sentence
multiplicative inverse
multiplier
multiply
mutually exclusive
N
natural logarithm
natural numbers
nautical mile
negative
negative correlation
negative direction
negative integer
negative number
negative slope
net
net (in geometry)
network
nickel
no correlation
nonEuclidean geometry
nonstandard measurement
nonagon
nonlinear function
normal
normal distribution (Gaussian distribution)
November
nth term
null matrix (zero matrix)
number
number charts
number line
number sentence
number theory
numeral
numerator
numerical analysis
numerical data
numerical expression
O
o´clock
oblique angle
oblique cone
oblique coordinate system
oblique cylinder
oblique lines
oblique prism
oblique pyramid
oblique solid
oblique triangle
obtuse angle
obtuse triangle
octagon
octahedron
octal
October
odd function
odd number
odds
on
onedimensional
onetoone correspondence
ones
open curve
open figure
open interval
open number sentence
open sentence
open set
operation
opposite operations
opposite side
opposites
order
order of operations
order property of multiplication
ordered pair
ordered set
ordinal numbers
ordinary differential equation
ordinate
orientation
origin
orthocenter
oscillating series
ounce (oz)
outcomes
outlier
outside
oval
overestimate
P
parabola
paraboloid
parallel lines
parallel planes
parallelepiped
parallelogram
parallelogram of vectors
parameter
parametric equation
parenthesis
partial derivative
partial differential
partial differential equation
partial product
Pascal´s triangle
pattern
patterns as arithmetic and geometric sequences
penny
pentagon
percent
percentage
percentile
perfect number
perfect square
perimeter
period
periodic function
permutation
perpendicular lines
perpendicular planes
perspective
pi
pictogram
pictograph
pictorial symbols
pie chart
pint (pt)
pitch (slope)
place value
planar
plane
plane figure
plane geometry
plot
plus sign
point
point of contact
point of intersection
point of rotation
point symmetry
polar coordinates
polygon
polyhedron
polynomial
population
positive
positive correlation
positive direction
positive integer
positive number
positive slope
pound (lb)
power
power series
powers of ten
practical situation
precise measurement
precision
precision of measurement
predict
prediction
prime factor
prime factorization
prime number
principal
principal value
prism
probability
product
product formula
progression
proof
proper fraction
property of one for multiplication
property of zero
proportion
protractor
pyramid
Pythagorean theorem
Q
quadrant
quadratic
quadratic equation
quadratic function
quadrilateral
quantifiers  all, some, none
quart (qt)
quarter
quarter hour
quarterly
quartic equation
quartile
quintic equation
quotient
R
radian
radical
radius (of a circle)
radius (of a sphere)
random event
random number
random sampling
random selection
range
range (central tendency)
range (in statistics)
range (of a function)
range of a relation
rate
ratio
rational number
rationalize
ray
real number
real number properties
reasonable answers
recall
reciprocal
rectangle
rectangular axis
rectangular coordinate system
rectangular hyperbola
rectangular parallelepiped
rectangular prism
recurring decimal
reduce
reduction formulas
reflection (flip)
reflex angle
regrouping
regular polygon
regular polyhedron
relation
relative error
remainder
remainder theorem
repeated addition and subtraction
repeating decimal
repeating patterns
replacement set
representation
representative fraction (RF)
result
retail price
rhombus
right angle
right solid
right triangle
right triangle trigonometry
ring (in geometry)
rise
Roman numerals
root (of an equation)
rootmeansquare (RMS)
rotation
rotation of axes
rotational symmetry
rounding
rounding numbers
row (in a matrix)
run
S
sale price
sales tax
sample
sample space
sampling
satisfy
scalar
scalar product
scalar quantity
scale
scale drawing
scale factor
scale model
scalene
scalene triangle
scatter diagram
scatter plot
scientific notation
sec
secant
secant (sec)
sech
second (angle unit)
second (time unit)
second quartile
section
sector
segment
segment (of a figure)
semi
semiannually
semicircle
semiregular polyhedron
September
sequence (progression)
series
set
shape
SI units
side
sideangleside (SAS)
sidesideside (SSS)
sign
signed number
significant digits
similar
similar polygons
similar triangles
similarity
simple harmonic motion (s.h.m.)
simple interest
simplest form
simplify
simultaneous equations
sin
sine (sin)
sine rule
singular matrix
sinh
sinusoid
sinusoidal
sketch
skew lines
skip count
slant height
slant height of a regular pyramid
slant height of a right cone
slide
slide rule
slope
small circle
solid angle
solid figure
solid geometry
solid of revolution
solution
solution of the system
solution of triangles
solve
speed
sphere
spherical polar coordinates
spherical sector
spherical segment
spherical triangle
spherical trigonometry
spheroid
spiral
spline
square (in algebra)
square (in geometry)
square matrix
square number
square pyramid
square root
square unit
squaring the circle
stacked bar graph
standard
standard deviation
standard form
standard notation
standard units
stationary point
statistics
stemandleaf plot
steradian
straight angle
straight line
straightedge
strategy
subscript
subset
substitute
substitution method
subtract
subtraction
subtraction (of fractions)
subtraction sentence
subtrahend
successor
sum
sum to infinity
superscript
supplementary
supplementary angles
supplementary units
surface area
surface of revolution
survey
symbol
symbolic language
symmetrical
symmetry
system of equations
system of linear equations
T
table
Tabular
tabulate
tally marks
tally table
tan
tangent (tan)
tangent line (to a circle)
tangent line (to a curve)
tangram
tanh
temperature
tens
tenth
tera
term
terminating decimal
ternary
tessellation
tetrahedron (triangular pyramid)
theorem
theoretical probability
third quartile
thousandth
threedimensional
tolerance
ton (t)
ton (T, customary system)
tonne
topology
torus (anchor ring)
total derivative
total differential
trajectory
transcendental number
transformation
transformation (in algebra)
transformation (in general)
transformation (in geometry)
transformation (of coordinates)
transformational motion
translation (slide)
translation of axes
translational symmetry
transpose of a matrix
transversal
trapezoid
trapezoidal rule
tree diagram
trend
trial
trial and error
triangle
triangle inequality
triangle sum theorem
triangular matrix
triangular number
trigonometric functions
trigonometric ratios
trigonometry
trillion
trinomial
trirectangular
trisect
trivial solution
trochoid
truncated
truth table
truth value
turn symmetry
turning point
twodimensional
U
unary operation
unbounded
underestimate
unequal
unicursal
union
unique solution
uniqueness
unit
unit cost
unit fraction
unit matrix (identity matrix)
unit price
unit vector
universal set
unknown
unlike fractions
unlikely
upper bound
upper extreme
V
valid
validate
value
vanishing point
variable
variance
variational calculus
vector
vector difference
vector multiplication
vector product (cross product)
vector sum
vectors, parallelogram of
Venn diagram
verify
vertex (in plane geometry)
vertex (in solid geometry)
vertical
vertical angles
vertical bar graph
vertical line
vertical line test
vertically opposite angles
visual representation
volume
vulgar fraction
W
wavelength
week
weight
whole
whole numbers
wholesale price
width
withholding tax
written form
X
xaxis
xcoordinate
xintercept
Y
yaxis
ycoordinate
yintercept
yard (yd)
year
yield
yocto
yotta
Z
zepto
zero
zero matrix (null matrix)
zero property
zero property of addition
zero property of multiplication
zetta
zone