ILTS 305 Math SIMPLIFIED
REVISION SUMMARY
Number
basic building block
integer
All whole numbers (both positive and negative) and zero.
prime number
A whole number that has exactly two factors, 1 and itself.
composite number
A whole number greater than 1 that has more than two
factors.
rational number
A number that can be written as a fraction
irrational number
a number that can NOT be expressed as a ratio of two
integers or as a repeating or terminating decimal - Pi or
any square root of an imperfect square are considered
irrational
Number line
absolute value
The distance a number is from zero on a number line
divisor
The number by which another number is divided.
quotient
the answer to a division problem
Parenthesis
Exponet
, number that represents the number of times the base is
used as a factor
root
a solution of an equation
perfect square
a square of a whole number
order of operations
PEMDAS (parenthesis, Exponents, Multiplication, Division,
Addition, Subtraction)
common factor
Any common factor of two or more numbers.
prime factorization
a number written as the product of all its prime factors
GCF (Greatest Common Factor)
the greatest number that is a factor of two or more
numbers
least common multiple (LCM)
The smallest multiple (other than zero) that two or more
numbers have in common.
fraction
part of a whole
numerator
the top number in a fraction
denominator
The bottom number in a fraction
equivelent fractions
when one fraction is equal to another.
common denominator
A denominator that is the same in two or more fractions.
Adding and Subtracting Fractions
REVISION SUMMARY
Number
basic building block
integer
All whole numbers (both positive and negative) and zero.
prime number
A whole number that has exactly two factors, 1 and itself.
composite number
A whole number greater than 1 that has more than two
factors.
rational number
A number that can be written as a fraction
irrational number
a number that can NOT be expressed as a ratio of two
integers or as a repeating or terminating decimal - Pi or
any square root of an imperfect square are considered
irrational
Number line
absolute value
The distance a number is from zero on a number line
divisor
The number by which another number is divided.
quotient
the answer to a division problem
Parenthesis
Exponet
, number that represents the number of times the base is
used as a factor
root
a solution of an equation
perfect square
a square of a whole number
order of operations
PEMDAS (parenthesis, Exponents, Multiplication, Division,
Addition, Subtraction)
common factor
Any common factor of two or more numbers.
prime factorization
a number written as the product of all its prime factors
GCF (Greatest Common Factor)
the greatest number that is a factor of two or more
numbers
least common multiple (LCM)
The smallest multiple (other than zero) that two or more
numbers have in common.
fraction
part of a whole
numerator
the top number in a fraction
denominator
The bottom number in a fraction
equivelent fractions
when one fraction is equal to another.
common denominator
A denominator that is the same in two or more fractions.
Adding and Subtracting Fractions
