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149 Cards in this Set

  • Front
  • Back
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
front-end 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 2-dimensional 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
front-end estimation
an estimation made using the front-end 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 three-dimesional 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
three-dimensional (3-D) figures
space figures that have length width and height
two-dimensional figures (2-D)
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 4-sided 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