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127 Cards in this Set
 Front
 Back
absolute value

the distance between a number and zero on the number line


addend

one of the numbers being added in an addition problem


adjacent angles

two angles that share a common side


algebraic expression

an expression that contains one or more variables


alternate interior angles

angles between parallel lines that are on opposite sides of the transversal


angle

formed when two lines intersect


angle measure

the number of degrees in an angle


area

the number of square units covered by a geometric figure


arithmetic mean

the average; the sum of a set of numbers divided by the number of numbers in the set


average

the mean; the sum of a set of numbers divided by the number of numbers in the set


bar graph

a graph that uses bars of different lengths to compare data


circle graph

a pie chart; a graph shapd like a circle that shows fractions, percents, or decimals as parts of the whole


cone

a threedimensional object with a cricular base and a pointed top


congruent

having the same size and shape


congruent angles

two angles that have equal degree measure


consecutive numbers

integers or a subset of integers that are next to each other.


consecutive integers

integers that increase or decrease incrementally by 1


coordinates

the x and y values of a point in the coordinate plane, written (x,y)


counting

figuring the number of ways you can select members of a group


counting principle

fundamental principle of counting; if one event can happen in n ways, and for each of these, a second event can happen in m ways, the total ways in which the two events can happen is n times m


counting number

natural number; any positive integer


cube

a sixsided square prism. all sides are congruent


cylinder

a threedimensional object with a circular top and an identical base


decimal

a rational number equivalent to a fraction whose denominator is a power of 10


decimal places

places to the right of the decimal


degree

1/360th of a circle; used to measure angles


degree measure

the size of an angle in degrees


denominator

the bottom number in a fraction


diameter

a line that divides a circle in half. it passes directly through the center of the circle and tht starts and ends on the edges of a circle


difference

the result of a subtraction problem


digit

a member of the set of all consecutive integers from 0 to 9


dividend

the number being divided in a division problem


divisibility

division with no remainder


divisor

the second number in a division problem


equation

a mathematical statement that uses an equal sign to show that two mathematical expressions are equal


equilateral triangle

a triangle with three equal sides and three equal angles that all measure 60 degrees


even number

a whole number that is divisible by 2


exponent

a number written to the upper right of a number that tels how many times to multiply tht number by itself


factor

a number that divides evenly into another number


fraction

a number written as a part over a whole; a numerator over a denominator


fundamental principle of counting

if one event can happen in n ways, and for each of these, a second event can happen in m ways, the total ways in which the two events can happen is n times m


graph

a visual representation


heptagon

a sevensided polygon


hexagon

a sixsided polygon


hundreds place

the position of the third digit to the left of the decimal point


hundredths place

the position of the second digit to the right of the decimal point


hypotenuse

the side of a right triangle that is opposite the right angle; the longest side in a right triangle


improper fraction

a fraction with a numerator that is larger that the denominator


inequality

a mathematical sentence that shows the relationship between expressions that are not equal, using <,>,<=,>=


integer

any positive or negative whole number or 0


irrational number

any number that is not a rational number. a number is this if it can be written as a decimal that does not repeat and does not end


isosceles triangle

a triangle that has two equal sides and two equal angles


line

a straight line that goes on forever in both directions


mean

the average; the sum of a set of numbers divided by the number of numbers in the set


median

the middle value of a set of numbers when they are arranged from lowest to highest. if the set contains an even number of numbers, it is the average of the two numbers closest to the middle


mixed number

a number that is made up of a whole number and a fraction


mode

the value or values that appear most frequently in a list of numbers


multiple of a number

the product of that number and another number


natural number

any positive integer; a counting number


negative number

any number that is less than zero


number line

a line labeled with positive and negative numbers in increasing order from left to right that extends infinitely in both directions


numerator

the top number in a fraction


octagon

an eightsided polygon


odd number

a whole number that is not divisible by 2


ones places

the position of the first digit to the left of the decimal point; units place


order of operations

the order in which to simplify a problem with multiple operations; PEMDAS


ordered pair

coordinates


origin

the point (0,0) on the coordinate plane where the xaxis and the yaxis meet


parallel lines

lines that are always the same distance apart


parallelogram

a foursided polygon with two sets of parallel lines


PEMDAS

Please Excuse My Dear Aunt Saly; a way to remember the order of operations in problems: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction


pentagon

a fivesided polygon


percent

the ratio of a number to 100


perimeter

the distance around a geometric figure; the sum of lengths of the sides


perpendicular lines

lines that intersect to form four right angles


pie chart

a graph shaped like a circle that shows fractions, percents, or decimals as parts of the whole; a circle graph


point

a dot that represents an exact location


polygon

a closed geometric figure with three or more sides


positive number

any number greater than zero


prime number

an integer greater than 1 that is divisible only by 1 and itself


prism

a threedimension object with congruent, parallel ends and rectangular sides


probability

the number of ways the event can happen divided by the total number of possible outcomes


product

the result of a multiplication problem


proportion

a statement that says two ratios are equal


pythagorean theorem

the sum of the squares of the lengths of the two legs of a right triangle is equal to the length of the hypotenuse squared; a^2+b^2=c^2


quadrilateral

a foursided polygon


quotient

the integer result of a long division


radius

a line that starts at the center of a circle and ends on the edge of the circle; half of the diameter


range

the difference between the highest and lowest values in a group of numbers


ratio

a comparison of two numbers or quantities


rational number

a number that can be written in the form of a fraction whose numerator and denominator are both integers


real number

any rational or irrational number


reciprocal

a fraction flipped upside down


rectangle

a foursided polygon with four right angles


rectangular box

a threedimensional rectangle


reduced fraction

a fraction in which the numerator and the denominator have no common factors


reflection

the process of moving a point or figure by reflection it over an axis, as if the axis were a mirror


regular polygon

a polygon in which all sides are equal and all angles are equal


repeating decimal

a decimal number that ends in an infinitely repeating series of digits.


rhombus

a foursided polygon with four equal sides


right angle

an angle that has a measure of 90 degrees


right triangle

a triangle that has a 90 degree angle as one of its angles


sample space

the set of all possible outcomes in a probability problem


scatter plot

a graph made by plotting data points


sphere

a threedimensional object in which all surface points are the same distance from the center


square

a foursided polygon with four equal sides and four right angles


square root

the nonnegative number which, when multiplied by itself, gives you the original number


tangent

touching


tens place

the position of the second digit to the left of the decimal point


tenths place

the position of the first digit to the right of the decimal point


thousands place

the position of the fourth digit to the left of the decimal point


thousandths place

the position of the third digit to the right of the decimal point


transformation

any combination of translations and reflections


translation

a process of moving a point or figure a specified distance in a certain direction


transversal

a line that cuts across parallel lines


trapezoid

a foursided polygon with exactly one pair of parallel sides


triangle inequality rule

the sum of the length of any two sides of a triange is always greater than the third side


units place

the position of the first digit to the left of the decimal point


variable

a letter than represents a number


vertex

the point at which lines intersect


vertical angles

the angles opposite each other that are formed when two lines intersect


volume

the amount of space that a threedimensional figure occupies


whole number

a natural (or counting) number or 0


xaxis

the horizontal axis on the coordinate plane


xcoordinate

the first number in an ordered pair


yaxis

the vertical axis on the coordinate plane


ycoordinate

the second number in an ordered pair
