GED Math 2024/2025 Study Guide with complete solutions
Box plot - ANSWERa way of graphically depicting groups of numerical data through
their quartiles
consecutive numbers - ANSWERnumbers in counting order
Data - ANSWERa collection of facts, such as numbers, words, measurements,
observations or even just descriptions of things
Dot plot - ANSWERa graphical display of data using dots
Function - ANSWERa special relationship where each input has a single output. It is
often written as "f(x)" where x is the input value
Graph - ANSWERa diagram that shows a relationship among numbers
Histogram - ANSWERa graphical representation of the distribution of numerical data
Mean - ANSWERthe sum of a set of numbers divided by the number of numbers in a
set (AKA average)
Median - ANSWERa number in the middle of a set of numbers, or the mean of the two
middle numbers in a set
Mode - ANSWERThe mode of a set of numbers is the one that occurs most often. So, in
the set {1,5,7,5,9}, the mode is 5 because there are 2 fives and only one of each of the
others.
Permutation - ANSWERrelates to the act of rearranging, or permuting, all the members
of a set into some sequence or order (unlike combinations, which are selections of
some members of the set where order is disregarded)
Probability - ANSWERthe chance of an event happening, usually expressed as the ratio
of the number of favorable outcomes to the total number of outcomes
Proportion - ANSWERa statement that two ratios (or fractions) are equal
Scientific notation - ANSWERa number written as the product of a number between 1
and 10 and a power of 10
Unit rate - ANSWERdescribes how many units of the first type of quantity corresponds
to one unit of the second type of quantity. Some common unit rates are miles (or
kilometers) per hour, cost per item, earnings per week, etc.
, Ratio - ANSWERcomparison between two numbers. Separated by a colon (:), the word
"to", or may be written in fraction form.
Cross Products - ANSWERThe product of the numbers which are diagonal from one
another in a proportion equation. Should be equal on both sides.
Common denominator - ANSWERfor a set of fractions, a number into which each
denominator can divide evenly
Denominator - ANSWERthe bottom number in a fraction
Difference - ANSWERthe answer to a subtraction problem
Digit - ANSWERone of the ten number symbols. The digits are 0, 1, 2, 3, 4, 5, 6, 7, 8,
and 9.
Equation - ANSWERa statement that two amounts are equal
Estimate - ANSWERas a noun: an approximate value.
as a verb: to find an approximate value.
Fraction - ANSWERa part of a whole
Greatest common factor - ANSWERthe greatest factor that divides two numbers
Improper fraction - ANSWERa fraction in which the numerator is greater than or equal
to the denominator
Least common multiple - ANSWERthe smallest positive number that is a multiple of two
or more numbers.
Example: the Least Common Multiple of 3 and 5 is 15, because 15 is a multiple of 3 and
also a multiple of 5. Other common multiples include 30 and 45, etc, but they are not the
smallest (least).
Mixed number - ANSWERa number with both a whole number and a fraction
Numerator - ANSWERthe top number in a fraction
Product - ANSWERthe answer to a multiplication problem
Proper fraction - ANSWERa fraction in which the numerator is less than the
denominator
Sum - ANSWERthe answer to an addition problem
Box plot - ANSWERa way of graphically depicting groups of numerical data through
their quartiles
consecutive numbers - ANSWERnumbers in counting order
Data - ANSWERa collection of facts, such as numbers, words, measurements,
observations or even just descriptions of things
Dot plot - ANSWERa graphical display of data using dots
Function - ANSWERa special relationship where each input has a single output. It is
often written as "f(x)" where x is the input value
Graph - ANSWERa diagram that shows a relationship among numbers
Histogram - ANSWERa graphical representation of the distribution of numerical data
Mean - ANSWERthe sum of a set of numbers divided by the number of numbers in a
set (AKA average)
Median - ANSWERa number in the middle of a set of numbers, or the mean of the two
middle numbers in a set
Mode - ANSWERThe mode of a set of numbers is the one that occurs most often. So, in
the set {1,5,7,5,9}, the mode is 5 because there are 2 fives and only one of each of the
others.
Permutation - ANSWERrelates to the act of rearranging, or permuting, all the members
of a set into some sequence or order (unlike combinations, which are selections of
some members of the set where order is disregarded)
Probability - ANSWERthe chance of an event happening, usually expressed as the ratio
of the number of favorable outcomes to the total number of outcomes
Proportion - ANSWERa statement that two ratios (or fractions) are equal
Scientific notation - ANSWERa number written as the product of a number between 1
and 10 and a power of 10
Unit rate - ANSWERdescribes how many units of the first type of quantity corresponds
to one unit of the second type of quantity. Some common unit rates are miles (or
kilometers) per hour, cost per item, earnings per week, etc.
, Ratio - ANSWERcomparison between two numbers. Separated by a colon (:), the word
"to", or may be written in fraction form.
Cross Products - ANSWERThe product of the numbers which are diagonal from one
another in a proportion equation. Should be equal on both sides.
Common denominator - ANSWERfor a set of fractions, a number into which each
denominator can divide evenly
Denominator - ANSWERthe bottom number in a fraction
Difference - ANSWERthe answer to a subtraction problem
Digit - ANSWERone of the ten number symbols. The digits are 0, 1, 2, 3, 4, 5, 6, 7, 8,
and 9.
Equation - ANSWERa statement that two amounts are equal
Estimate - ANSWERas a noun: an approximate value.
as a verb: to find an approximate value.
Fraction - ANSWERa part of a whole
Greatest common factor - ANSWERthe greatest factor that divides two numbers
Improper fraction - ANSWERa fraction in which the numerator is greater than or equal
to the denominator
Least common multiple - ANSWERthe smallest positive number that is a multiple of two
or more numbers.
Example: the Least Common Multiple of 3 and 5 is 15, because 15 is a multiple of 3 and
also a multiple of 5. Other common multiples include 30 and 45, etc, but they are not the
smallest (least).
Mixed number - ANSWERa number with both a whole number and a fraction
Numerator - ANSWERthe top number in a fraction
Product - ANSWERthe answer to a multiplication problem
Proper fraction - ANSWERa fraction in which the numerator is less than the
denominator
Sum - ANSWERthe answer to an addition problem
