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Basic Mathematics Index
Click on a term or phrase for definitions, information and examples.
add
addend
adding mixed numbers with like-fraction parts
adding multi-digit numbers
adding un-like fractions
adding whole numbers
adding whole numbers and complex decimals
addition
addition of fractions
addition of like fractions
additive inverse
algorithm
antecedent
approximate pi with continued fractions
approximate proper fractions with continued fractions
average
base
base eight
base sixteen
base ten
base twelve
base_two
billions (place)
binary operation
binary system
cancel
cancellation
calculate percentage decreases
calculate percentage increases
calculate percents of numbers
calculate the ratio between two fractions
centillion
chain fraction
comparing decimals
comparing the relative sizes of fractions
comparing two or more ratios
common denominator
common divisor
common factor
common multiple
commutative operation
commutative property (of multiplication)
complete factorization
complex decimal
complex fraction
composite number
compound fraction
compound interest
compound proportion
compound ratio
consequent
continued fraction
conversion factor
conversion of units
converting continued fractions to proper fractions
converting decimals to fractions
converting decimals to percents
converting fractions to percents
converting mixed numbers to improper fractions
converting percents to decimals
converting percents to fractions
converting proper fractions to continued fractions
counting number
cubed
cube root
decillion
decimal
decimal fraction
decimal fraction place value
decimal place
decimal place value
decimal point
decimal system
denominator
difference
digit
direct proportion
direct variation
dividend
dividing numbers in a specific ratio
dividing one complex decimal by another
dividing one multi-digit whole number by another
divisibility
divisible
division
divisor
dotrigintillion
dovigintillion
duodecillion
duodecimal
equality
equal to
equation
equivalence of fractions
even
exponent
exponential notation
extremes
factor
factoring
finding a number when a given percent is known
finding the greatest common divisor of two or more numbers
finding the least common multiple of two or more numbers
finite decimal
formula
fraction
fraction line
fractions in higher terms
Fundamental Theorem of Arithmetic
googol
GCD
greater than
greatest common divisor
HCF
hexadecimal
highest common factor
Hindu-Arabic number system
hundred million
hundreds (place)
hundred thousandths
hundredths (place)
improper fraction
index
interest rate
inverse proportion
inverse ratio
inverse variation
joint variation
less than
LCD
LCM
least common multiple
like fractions
lowest common denominator
lowest common multiple
means
median
million
millions (place)
minuend
minus sign
minus symbol
mixed decimal
mixed number
mixed recurring decimal
multi-digit number
multi-place decimal
multiple
multiple of
multiplicand
multiplication
multiplication symbol
multiplicative inverse
multiplier
multiplying decimals by a power of ten
multiplying multi-digit numbers
multiplying simple decimals
multiplying whole numbers and complex decimals
negative sign
nonillion
not equal to
novemdecillion
novemtrigintillion
novemvigintillion
number
number line
numeral
numerals in expanded form
numerals in expanded notation
numerals in standard form
numerals in standard notation
numerator
obelus
octilliard
octillion
octodecillion
octotrigintillion
octovigintillion
odd
one-digit number
one-place decimal
one-to-one correspondence
order
percent
period
place value
plus sign
plus symbol
positive sign
power
prime factor
prime number
principal
product
product of prime factors
proper fraction
proportion
pure decimal
pure recurring decimal
quadrilliard
quadrillion
quattuordecillion
quattuortrigintillion
quattuorvigintillion
quindecillion
quintilliard
quintillion
quintrigintillion
quinvigintillion
quotient
radical
radicand
rate
ratio
reciprocal
recurring decimal
reduce fractions to lowest terms
reducing fractions
relatively prime
root
rounding off decimal numerals
rounding up decimal numerals
scientific notation
septendecillion
septentrigintillion
septilliard
septillion
septvigintillion
sexdecillion
sextilliard
sextillion
sextrigintillion
sexvigintillion
Sieve of Eratosthenes
significant figures
simple decimal
simple fraction
simple interest
simplest terms
simplifying improper fractions
slash
speed
squared
square root
subtraction
subtraction of fractions
subtracting like fractions
subtracting mixed numbers with un-like-fraction parts
subtracting multi-digit numbers
subtracting simple decimals
subtracting whole numbers and complex decimals
subtrahend
sum
superscript
symbol
tableau
tally
ten million
tens (place)
ten thousandths (place)
tenths (place)
terminating decimal
terms of a fraction
thousands (place)
thousandths (place)
three-digit number
time
total
tredecillion
tretrigintillion
trevigintillion
trigintillion
trillions (place)
truncating decimal numerals
two-digit number
two-place decimal
undecillion
unit fraction
units (place)
untrigintillion
unvigintillion
variation
vigintillion
vinculum
whole number
whole numeral
writing recurring decimals as fractions
zero
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