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149 Cards in this Set
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a.m

used to show time between midnight and noon


Associative Property of Multiplication

the way that factors are grouped does not change the product


certain

to be sure or definite


cube

a space figure with 6 congruent faces, 8 vertices, and 12 equal edges


decimal number

a number containing a decimal point


difference

the answer to a subtraction problem


endpoint

a point at the end of a line segment or ray


face

a flat surface on a space figure


frontend digit

the digit in the place with the greatest value


hexagon

a polygon with 6 sides and 6 vertices


inverse operations

2 operations with the opposite effect like multiplication and division


line graph

a graph used to show how data changes over time


median

the middle number when numbers are arranged from least to greatest


mirror image

the reverse image of a figure


numerator

the top number in a fractio; how many equal parts are being considered


ounce (oz)

a customary unit of mass


period

a group of 3 digits in a number separated by a comma from the other digits


plane figure

any 2dimensional figure


product

the answer to a multiplication problem


quotient

the answer to a division problem


remainder

the number that is left after dividing


space figure

a figure with 3 dimensions


teaspoon (tsp)

a customary unit of capacity


trapezoid

a quadrilateral with 1 pair of parallel sides and 1 pair of sides that are not parallel


whole number

any of the counting numbers 0, 1, 2, 3, 4, 5, 6, 7….


acute angle

an angle less than a right angle


average

the sum of addends divided by the number of addends


circle

a closed plane figure with all the points the same distance from center


cup, c

a customary unit of capacity


decimal point

a dot separating the ones and tenths places in a decimal number


digit

the symbols 0 to 9 used to write numbers


equally likely

outcomes having the same chance of happening


fact family

all related +/ or x/ facts that use the same numbers


frontend estimation

an estimation made using the frontend digit of a number


hundredths

the name of the second place after the decimal point


kilogram (kg)

a metric unit of mass


line of symmetry

a line on which a figure can be folded so that both halves are congruent


meter

a metric unit of length/distance


mixed number

a number written as a whole number and a fraction


obtuse angle

an angle greater than a right angle


outcome

a result of a probability experiment


perpendicular

2 lines that intersect and form right angles


plot

using an ordered pair to locate a point on a grid


Property of 1 for Division

any number divided by 1 is that number


range

the difference between the greatest number and the least number in a set of numbers


right angle

an angle with the shape of a square corner


sphere

a threedimesional figure with a curved surface that is shaped like a ball


tenths

the name of the first place after the decimal point


turn (rotation)

a transformation of a figure by turning it


word form

a number written in words


addend

a number that is added


bar graph

a graph that uses bars to compare data


closed figure

a plan figure that completely surrounds an area


customary system

a system of measurement used in the U.S.


decimeter (dm)

a metric unit of length


dividend

the number to be divided


equivalent decimals

2 decimals that are equal


factors

numbers that are multiplied to give a product


gallon (gal)

a customary unit of capacity


impossible

cannot happen


kilometer (km)

a metric unit of length


line segment

a part of a line with 2 endpoints


metric system

a measurement system based on tens


most likely

outcomes that have a greater chance of happening


octagon

a polygon with 8 sides and 8 vertices


p.m.

used to show the time between noon and midnight


pictograph

a graph that uses pictures or symbols to show data


point

any exact location in space represented by a dot


Property of 1 for Multiplication

the product of any number and 1 is that number


ratio

a comparison of two numbers


rotation

a transformation of a figure by turning it about a fixed point


sum

the answer to an addition problem


threedimensional (3D) figures

space figures that have length width and height


twodimensional figures (2D)

plane figures that have length and width


yard (yd)

a customary unit of length


angle

the figure made by 2 rays that extend from a common endpoint


capacity

the amount a container can hold


Commutative Property of Multiplication

the order in which numbers are multiplied does not change the product


cylinder

a space figure with 2 circular faces that are parallel and congruent


degree Celsius ( C)

a metric unit used to measure temperature


divisor

the number by which a number is divided


equivalent fractions

2 fractions that are equal


fraction

a number that names parts of a whole


gram (g)

a metric unit of mass


improper fraction

a fraction with a value greater than 1, the numerator is greater than or equal to the demonimator


least likely

outcomes that have a smaller chance of happening


liter (L)

a metric unit of capacity


milliliter (mL)

a metric unit of capacity


multiple

the product of a whole number and any other whole number


open figure

a plane figure that does not completely enclose an area


parallel

lines that are the same distance apart and do not intersect


pint (pt)

a customary unit of capacity


polygon

a closed plane figure made with line segments


pyramid

a space figure whose base is a polygon, and other faces are triangles that meet at a vertex


ray

a part of a line that has 1 endpoint and goes on and on in one direction


round

to estimate a number to the nearest ten, hundred, or thousand


square pyramid

a space figure with a square base and 4 faces that are triangles and meet in a vertex.


ton (t)

a customary unit of weight


Venn diagram

a diagram that uses intersecting circles to compare groups of objects


Zero Property of Division

0 divided by any number except 0 is 0. A number cannot be divided by zero.


area

the measure, in square units, of the inside of a plane figure


centimeter (cm)

a metric unit of length


cone

a space figure with 1 curved surface, 1 flat face, 1 curved edge, and 1 vertex


data

a collection of facts gathered by observation, questioning, or measuring


degree ( F)

a customary unit used to measure temperature


edge

the line where 2 faces of a space figure meet


estimate

an approximate rather than an exact answer


flip (reflection)

a transformation that results in a mirror image of a figure


graph

a drawing used to record information


inch (in.)

a customary unit of length


less than (<)

the symbol used to compare 2 numbers when the smaller number is on the left


mass

the weight of an object; the amount of matter in an object


millimeter (mm)

a metric unit of length


number line

a line on which points correspond to numbers


ordered pair

a pair of numbers used to name a location on a grid


pentagon

a polygon with 5 sides and 5 vertices


place value

the value determined by the position of a digit in a number


pound (lb)

a customary unit of mass


quadrilateral

a 4sided polygon


rectangular prism

a space figure with 6 rectangular faces, 8 vertices, and 12 edges


side

a line segment that is part of a plane figure


standard form

a number written with one digit for each place value


transformation

an operation on a geometric figure by which another image is created


vertex/vertices

the point or points where 2 or more line segments meet; the "corner"


Zero Property of Multiplication

the product of any number and 0 is 0.


array

an arrangement of objects in rows and columns


century

100 years


congruent

figures that have the same size and shape


decade

10 years


denominator

the bottom number in a fraction; the number of equal parts


elapsed time

the amount of time between 2 given times


expanded form

a way to write numbers that shows the value of each digit


foot (ft)

a customary unit of length


greater than (>)

the symbol used to compare 2 numbers when the larger one is on the left


intersecting lines

lines that cross at one point


line

a straight path that goes on and on in 2 directions with no endpoints


mean

the average of a set of numbers


mode

the number that appears most often in a set of numbers


number sentence

an equation or inequality written with numbers and symbols


ordinal number

a number telling the position of something


perimeter

the distance around a figure


plane

a flat surface that goes on and on in all directions


probability

the chance of something happening


quart (qt)

a customary unit of capacity


reflection

a transformation that results in a mirror image


slide (translation)

a transformation that moves a figure by slidings each of the points the same distance and direction


tablespoon (tbsp)

a customary unit of capacity


translation

a transformation that moves a figure by slidings each of the points the same distance and direction


volume

the number of cubic units that fit inside a space figure
