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264 Cards in this Set
- Front
- Back
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A.M.
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the name for the time between midnight and noon
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addend
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the name for the numbers that are added in an addition problem
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addition
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the process of finding the total number of items when 2 or more sets are joined
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algebraic expression
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a number sentence that includes a variable
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analog clock
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clocks that have hands that show hours, minutes, and seconds
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angle
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this is made of two rays with a common endpoint
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area
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the number of square units needed to cover a surface, figure, or region
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array
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an arrangement that shows objects in rows or columns
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ascending order
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the order of numbers or objects from least to greatest
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associative property
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this is the property in which the same addends (or multiples) can be grouped in different ways and the sum (or product) will be the same
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base of a solid
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The face of a solid that is used to name the solid
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between
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on object in the center of two other objects
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bisect
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to divide an object into two equal parts
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calendar
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shows the days, weeks, and months of a year
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capacity/volume
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the amount a container can hold when filled
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cent
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a coin; also called a penny
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center
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the name for the point in the middle of a circle that is the same distance from anywhere on the circle
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centimeter (cm)
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a metric unit of length; 100 __ equal 1 meter
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century
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a period of time equal to 100 years
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circle
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a shape with all points the same distance from the center
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circumference
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the distance around a circle
(about 3 times the diameter) |
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common factor
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a factor of two or more numbers
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common multiple
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a number that is a multiple of two or more numbers
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commutative property
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this is a property in which the order of two or more addends (or multiples) can be changed and the sum (or product) will be the same
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compare
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to determine if two quantities are greater than, less than, or equal to each other
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compass
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a tool used to construct angles
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composite number
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a whole number that has more than two factors
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cone
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a solid figure with one circular base and one vertex
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congruent figures
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figures having the same size and shape
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cube
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a solid with six square faces
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cup (c)
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a customary unit for measuring capacity; 1 __ equals 8 fluid ounces
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cylinder
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a solid with 2 congruent and parallel circular bases
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data
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information collected about people or things
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decade
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an amount of time equal to ten years
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decimal
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part of a whole; shown with numbers and a decimal point
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decimal point
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a point that separates whole numbers and decimal numbers
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degree Celsius (C)
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the metric unit for measuring temperature
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degree Fahrenheit (F)
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the customary unit for measuring temperature
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denominator
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the part of a fraction (below the fraction bar) that tells how many equal parts of a whole or whole is divided into
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descending order
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refers to numbers or objects that are in order from greatest to least
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diameter
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a line segment/chord that passes through the center & touches 2 points on the circle (twice the length of the radius)
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difference
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the answer to a subtraction problem
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digital clock
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a clock that shows time with digits and a colon
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digits
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the ten symbols 0,1,2,3,4,5,6,7,8 and 9
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dividend
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the number that is divided in a division problem
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division
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a process of sharing a number of times to find how many groups can be made
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divisor
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the number that divides the dividend
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dollar
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an amount of money equal to 100 cents/pennies
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dozen
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a collection of twelve objects
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edge
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the place where two faces of a solid meet
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elapsed time
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the amount of time that passes from the start of an activity to the end of an activity
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equal parts
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when a set or object is divided into the same parts
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equal sign
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a symbol that shows two amounts have the same value
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equation
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a number sentence that shows two quantities are equal
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equivalent
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sets that have the same value
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estimate
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to find a number that is close to an exact amount
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evaluate
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to find the value of a numerical or algebraic expression
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even numbers
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any number that can be evenly divided by two
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factor
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a number that is multiplied by another number to find a product
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foot
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a customary unit of linear measurement; equal to twelve inches
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fraction
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part of a whole or group (2/3; 1/2)
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gallon (gal)
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a customary unit of capacity; 1 __ equals 4 quarts
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gram (g)
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a metric unit of mass equal to 1,000 milligrams
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greater than
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the symbol >; shows the first set is larger than the second set; also more than
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grid
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horizontal and vertical lines on a map
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horizontal
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left to right direction
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hour
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the amount of time equivalent to sixty minutes
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intersecting lines
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lines that cross
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interval
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the distance between two numbers on a scale of a graph
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inverse operations
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operations that undo each other; addition and subtraction; multiplication and division
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kilogram (kg)
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a metric unit of mass equal to 1,000 grams
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kilometer (km)
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a metric unit of length equal to 1,000 meters
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less than
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the symbol <; shows the first set is smaller than the second set; also fewer
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line
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a straight path that extends in both directions forever
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liter (L)
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a metric unit of capacity equal to 1,000 milliliters
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mass
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the amount of matter in an object; also weight
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mean
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this is found by adding all the data and dividing by the number of addends; also called "average"
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median
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the middle number in an ordered set of data
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meter (m)
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a metric unit of length equal to 100 centimeters
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mile
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a customary unit of length or distance; one __ is equal to 5,280 feet
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milliliter (mL)
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a metric unit of capacity equal to 0.001 liter
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millimeter (mm)
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a metric unit of linear measurement (length); 1,000 ___ equal 1 meter
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minus
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the symbol - ; shows subtraction
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minute
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a unit used to measure short amounts of time; equal to sixty seconds
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mixed number
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a number with a whole-number part & a fractional part
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mode
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the number that appears most often in a set of data
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month
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a unit of time equal approximately thirty days; there are twelve ___ in one year
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multiple
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a product of a whole number and another whole number
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multiplication
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the process of finding the total numbers of objects in equal-sized groups
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negative numbers
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numbers less than zero
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numerator
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the top number of a fraction that tells how many parts are being considered
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odd number
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a number that cannot be evenly divided by two
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ordered pair
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two numbers that locate a point on a grid; also coordinates
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ordinal numbers
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numbers that show order of position; such as first, second, third, etc.
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ounces (oz)
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a customary unit of mass or weight; 16 __ equal 1 pound
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outcome
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a possible result of an experiment
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P.M.
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the time between noon and midnight
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percent
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a ratio of a number compared to one hundred
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perimeter
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the distance around a figure
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period
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A group of 3 digits in a number; separated by commas
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pint (pt)
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a customary unit of capacity equal to 2 cups
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place value
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the position of a digit in a number that is used to determine the value of the digit
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plane
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the name for a flat surface that extends forever in all directions
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plus
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the symbol +; shows addition
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polygon
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closed plane figure made up of line segments
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positive numbers
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numbers greater than zero
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pound (lb)
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a customary unit for measuring weight; one pound is equal to sixteen ounces
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prime number
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a whole number greater than one with only two factors; one and itself
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probability
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the chance that a particular outcome will occur; shown as a ratio of the number of ways an event can occur to the total number of possible outcomes
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product
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the result of multiplying two numbers
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protractor
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a tool used to draw & measure the size of an angle
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pyramid
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a solid figure that has triangles for sides and a polygon as its base
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quart
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a customary unit of capacity equal to 2 pints
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quarter
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a coin equal to twenty-five cents
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quotient
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the answer in a division problem
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ratio
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the comparison of two numbers by division (can be written 9:4, 9/4, or 9 to 4)
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rectangle
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a parallelogram with 4 right angles
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regrouping
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the name for the process of exchanging amounts equal in value to rename a number
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remainder
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the left over amount when a number cannot be divided equally
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Roman Numerals
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numerals based on the ancient roman system; I=one, V=five, X=ten, etc
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round
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to increase or decrease a number to the nearest ten, hundred, thousand, etc
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ruler
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a tool used for linear measurement
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scale
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numbers placed at fixed distances on a graph to help label the graph
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similar figures
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figures that have the same shape
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simplest form
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a fraction that has a numerator and denominator with one as their only common factor
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solid
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a three-dimensional figure that has length, width, and height
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sphere
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a solid figure with all points in the set the same distance from the center
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square
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a rectangle with all sides the same length
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subtraction
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the process of taking away objects from a group
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sum
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the answer to an addition problem
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symmetry
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a figure divided along one line, resulting in two parts that are mirror images of each other
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tablespoon (tbsp)
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a customary unit of capacity equal to 3 teaspoons
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teaspoon (tsp)
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a customary unit of capacity equal to 1/3 tablespoon
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ton (T)
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a customary unit of weight; one ___ is equal to 2000 pounds
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triangle
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a 3-sided polygon
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variable
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the name for a letter or symbol that stands for a number or set of numbers
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Venn Diagram
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a diagram of intersecting circles that shows relationships among sets of things
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vertex
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the name for the corner in a solid figure where three or more edges meet; the name for the endpoints of two rays that from an angle
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volume
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the number of cubic units that fit inside a solid figure
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week
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the amount of time equal to seven days
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whole numbers
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the set of numbers that start with zero, one, two, three, etc
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x-axis
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the horizontal number line of a coordinate plane; the 1st number in an ordered pair
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y-axis
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the vertical number line of a coordinate plane; the 2nd number in an ordered pair
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yard
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a customary unit for measuring length or distance; one yard is equal to thirty-six inches or three feet
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year
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the amount of time equal to 365 or (366) days
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cubic unit
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a cube 1 unit on each edge used to measure volume
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fluid ounce (fl oz)
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a customary unit of capacity equal to 2 tablespoons
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weight
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a measure of how light or how heavy something is
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variable
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a letter, such as n, that stands for a number in an expression or an equation
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turn (rotation)
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The change in the position of a figure that moves it around a point
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trapezoid
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a quadrilateral that has exactly one pair of parallel sides.
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transformation
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a move such as a slide, flip, or turn that does not change the size or shape of a figure
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solid figure (solid)
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a figure that hs 3 dimensions and volume
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slide (translation)
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The change in position of a figure that moves it up, down, or sideways
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rhombus
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A parallelogram with all sides the same length
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range
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The difference between the largest value and the smallest value in a data list
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polyhedron
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a 3-dimensional solid figure with flat surfaces
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parallelogram
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a quadrilateral with both pairs of opposite sides parallel (ex. squares, rectangles, rhombus)
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edge
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a line segment where 2 faces meet in a solid figure
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dekameter (dam)
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a metric unit of length equal to 10 meters
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decimeter (dm)
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a metric unit of length; 10 decimeters equal 1 meter
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certain (event)
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an event that will always happen
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base of a polygon
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the side of a polygon to which the height is perpendicular
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milligram (mg)
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a metric unit of mass; 1,000 ___ equal 1 gram
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midpoint
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The point halfway between the endpoints of a line segment
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impossible (event)
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An event that can never happen
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hectometer (hm)
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Metric unit of length equl to 100 meters
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flip (reflection)
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The change in the position of a figure that gives the mirror image of the figure
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face
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A flat surface of a polyhedron
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standard form
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a number written with commas separating groups of 3 digits starting from the right; Ex. 3,458
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word form
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a number written in words using place value
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expanded form
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a way to write a number that shows the place value of each digit; 3,000+500+60+2
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rounding
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a process that tells which multiple of 10; 100; 1,000, etc. a number is closest to
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estimate
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to give an approximate value rather than an exact answer
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minuend
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The number being subtracted from
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subtrahend
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the number being subtracted from the minuend
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ray
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Part of a line that has one endpoint & extends forever in only one direction
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radius
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Any line segment that connects the center of a circle to a point on a circle.
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point
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exact location in space
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perpendicular lines
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two lines that intersect to form right angles
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perimeter
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The distance around the outside of any polygon
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parallel lines
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In a plane, lines that never cross & are the same distance apart
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line
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a set of points that goes on forever in two directions
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line segment
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part of a line having two endpoints
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angle
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two rays that have the same endpoint
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central angle
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An angle whose vertex is the center of the circle
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chord
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A line segment that connects two points on the circle
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circle
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A closed plane figure made up of all the points the same distance from one point called the center
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degree
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a unit of measure for angles
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right angle
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an angle whose measure is 90 degrees
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straight angle
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an angle whose measure is 180 degrees
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obtuse angle
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an angle whose measure is between 90 and 180 degrees
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acute angle
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an angle whose measure is less than 90 degrees
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right triangle
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a triangle in which one angle is a right angle
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scalene triangle
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a triangle in which no sides have the same length
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regular polygon
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a polygon which has sides of equal length & angles of equal measure
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quadrilateral
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a polygon with 4 sides (ex. square, rectangle, rhombus, trapezoid)
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pentagon
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a polygon with 5 sides
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obtuse triangle
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a triangle in which one angle is an obtuse angle
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octagon
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a polygon with 8 sides
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equilateral triangle
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a triangle whose sides all have the same length
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hexagon
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a polygon with 6 sides
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intersecting lines
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lines that pass through the same point
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isosceles triangle
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a triangle with at least 2 sides of the same length
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acute triangle
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a triangle whose angles are all acute angles
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symmetric figure
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a figure that can be folded inot 2 congruent parts that fit on top of each other
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similar figures
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figures that have the same shape. They may or may not have the same size.
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line of symmetry
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the fold line in a symmetric figure
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properties of equality
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Properties that tell what you can do to both sides of an equation so the sides stay equal
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equally likely (outcomes)
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Having the same chance of occurring
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least common multiple (LCM)
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The smallest of the nonzero common multiples of 2 numbers
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least common denominator (LCD)
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The least common multiple (LCM) of the denominators of 2 fractions.
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Identity Property of Addition
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The property that states: the sum of any number & zero is that number; n + 0 = n
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Identity Property of Multiplication
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The property that states: the product of any number & one is that number; n x 1 = n
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front-end estimation
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A method of estimating by changing numbers to the place-value of their front digit & then finding the sum or difference
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formula
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an equatin that states a rule
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underestimate
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The result of using smaller numbers to estimate a sume or product. The estimate is smaller than the actual answer.
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overestimate
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The result of using larger numbers to estimate a sum or product. The estimate is larger than the actual answer.
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origin
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The point where the 2 axes of the coordinate plane intersect. The origin is represented by the ordered pair (0, 0).
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ordered pair
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A pair of numbers used to locate a point on a graph
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order of operations
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1st: Work (inside parentheses); 2nd: x & division are done from left to right; 3rd: + & - are done from left to right
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Distributive Property of Addition
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Multiplying a sum by a number is the same as multiplying each number in the sum by the number & adding the products; 3x(10+4)=(3x10)+(3x4)
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Distributive Property of Subtraction
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Multiplying a difference by a number is the same as multiplying each number in the difference by the number & or subtracting the products; 3x(10-4)=(3x10)-(3x4)
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coordinates
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The 2 numbers in an ordered pair
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Commutative Property of Multiplication
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The order of factors can be changed and the product remains the same. 3x5=5x3
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Commutative Property of Addition
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The order of addends can be changed & the sum remains the same. 3+7=7+3
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axis
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Either of 2 lines drawn perpendicular to each other in a graph
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Associative Property of Multiplication
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Factors can be regrouped & the product remains the same.
2x (4x10)=(2x4) x10 |
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Associative Property of Addition
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Addends can be regrouped & the sum remains the same.
1+ (3+5)=(1+3) +5 |
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Zero Property of Multiplication
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In multiplication, the product of a number and 0 is 0.
8x0=0 |
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greatest common factor (GCF)
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The greatest number that is a factor of 2 or more numbers.
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equivalent decimals
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Decimals which name the same amount.
0.7=0.70 |
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equivalent fractions
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Fractions that name the same part of a whole region, length, or set.
1/3=2/6 |
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frequency table
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A table used to show the number of times something occurs.
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improper fraction
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A fraction whose numerator is greater than or equal to its denominator.
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input/output table
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A table of values which shows one output value for each input value.
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interval (on a graph)
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The difference between adjoining numbers on an axis of a graph.
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leaf
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The part of a stem-and-leaf plot that shows the ones digit of a number.
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line graph
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A graph that connects points to show how data change over time.
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line plot
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A display of responses along a number line with x's recorded above the response to indicate the number of times teh response occurred.
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bar graph
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A graph that uses bars to show data.
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common denominator
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A number that is the denominator of 2 or more fractions.
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common factor
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A number that is a factor of 2 or more given numbers.
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data
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collected information
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divisible
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A number is divisible by another number if there is no remainder after dividing.
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pictograph
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A chart using pictures or symbols to compare data that can be counted.
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stem
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The part of a stem-and-leaf plot that shows all but the last digit of a number.
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stem-and-leaf plot
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A graph for organizing data that, with 2-digit data, groups together all data with the same number of tens.
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event
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a collection of one or more outcomes
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integers
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Whole numbers and their opposites (1, 2, 3; -1, -2, -3)
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benchmark fractions
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The fractions 1/4, 1/3, 1/2, 2/3, and 3/4.
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circle graph
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A graph in the shape of a circle that show what part of the whole each portion of the data represents.
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double bar graph
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A bar graph that displays 2 different shaded bars to compare the 2 sets of data
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sample
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a representative part of a larger group.
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sample space
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The set of all possible outcomes.
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scale (in a bar graph)
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a series of numbers at equal distances along an axis on a graph.
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scale (in a drawing)
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a ratio that shows the relationship between lengths in a drawing and the actual object.
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scale drawing
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A drawing using relationships between lengths in the drawing & the actual object.
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survey
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a way to collect data to answer a question.
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table of values
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A table used to show how one quantity is related to another.
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tree diagram
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A diagram used to organize outcomes of an experiment.
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pi
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The ratio of the circumference of a circle to its diameter. 3.141592...; 3.14; 3 1/7
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hundredth
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1 part of 100 equal parts of a whole
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tenth
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1 part out of 10 equal parts of a whole
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