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127 Cards in this Set

  • Front
  • Back
algorithm
a number sentence or equation
array
objects arranged in rows and columns
divide
sharing objects equally
dividend
the number to be divided
divisor
the number you divide by
factor(s)
the number(s) you multiply
product
the answer to a multiplication problem
quotient
the answer to a division problem
area
the total surface space or amount of an object. Area is measured in square units.
Celsius
the metric temperature scale measured in degrees. Water freezes at 0 degrees Celsius.
calendar
a month-by-month picture of a year using months and days
centimeter
a metric unit measuring 1/100 of a meter
capacity
how much a container holds
cup
a unit used for measuring capacity
Customary System
a measuring system used mainly in the United States
Inches, Feet, Yard
day
a unit for measuring time
degrees (temperature)
a unit for measuring temperature
difference
the answer that comes from subtracting one number from another
decrease
when the temperature drops or goes down on the thermometer
decimeter
a metric unit measuring 1/10 of a meter
Fahrenheit
a scale used to measure temperature in degrees
foot (ft)
a unit for measuring short lengths or distances
1 foot = 12 inches
gram
a basic metric unit for measuring weight
1 gram = 1,000 milligrams
hour (hr)
a unit measuring time
1 hour = 60 minutes
inch (in.)
a unit for measuring length
12 inches = 1 foot
kilogram (kg)
a metric unit for measuring weight
1 kilogram = 1,000 grams
kilometer (km)
a metric unit for measuring distance
1 km = 1,000 milliliters
liter
a basic metric unit for measuring liquids
1 liter = 1,000 milliliters
meter (m)
a basic unit for measuring length and distance
1 meter = 100 centimeters
metric
a measuring system based on the decimal system (tens)
minute (min)
a unit for measuring time
1 minute = 60 seconds
minute hand
the longer hand on the clock that tells the minutes
perimeter
the distance around a figure
pint (pt)
a unit for measuring liquid
1 pint = 2 cups
quart (qt)
a unit for measuring liquid
1 quart = 4 cups
ruler
a tool used to measure length
square unit
unit for measuring area
yard (yd)
a unit for measuring length or distance
1 yard = 3 feet = 36 inches
yardstick
a tool used to measure length
thermometer
a tool for measuring temperature
length
how long something is
width
how wide something is
increase
when the temperature rises or goes up on the thermometer
hour hand
the shorter hand on the clock that tells the hour
drop
when the temperature on a thermometer decreases or goes down
denominator
in a fraction, the number that stands for how many equal parts a whole is divided into
equivalent
having the same value
fraction
a number that stands for part of a whole or part of a group
numerator
in a fraction, the number that stands for how many parts of a whole or group are included
set
a group of items that have something in common
angle
two rays with a common end point
circle
a plane shape, not a polygon, that is closed with all of the points an equal distance from the center
congruent
figures that have the same size and same shape
corner (vertex)
where two edges or sides come together on a space or plane shape
base
a flat side of a cylinder or cone
cone
a space shape with one circular face and one vertex
cube
a space shape with all faces being congruent squares
edges
the place in which two faces on a space figure meet
faces
the flat side of a space figure
hexagon
a polygon with 6 sides
line of symmetry
a line that can be drawn on an object that cuts the object into two congruent halves
octagon
a polygon with 8 sides
parallelogram
a polygon with 2 sets of parallel sides
pentagon
a polygon with 5 sides
plane shape
a shape that is flat on a flat surface - it is two dimensional
polygon
a closed plane shape with three or more straight sides
pyramid
a space figure whose base is a plane figure and whose faces are triangles with one common corner
prism
a solid that is formed by the union of all the line segments that connect corresponding points on two congruent polygons that are located in parallel lines
quadrilateral
a plane figure with four sides and four corners
rectangle
a plane figure with four right angles and four sides
rectangular prism
a space figure whose faces are all rectangles
rhombus
a parallelogram with all four sides being equal
sides
the sides of a plane shape
solid figures
a geometric figures whose points are in more than one plane
sphere
a sold shape with a curved surface
square
a rectangle with four equal sides and four right angles
symmetry
a plane figure has symmetry if it can be folded along a line so that the two parts match exactly
trapezoid
a polygon with 4 sides in which two of the sides are parallel
triangle
a plane figure with three sides and three corners
probability
tells the chance that something will happen
survey
you ask a lot of people the same question
data
the answers you get to the same question you asked a lot of people - you organize it and study the answers
tally marks
one simple way to keep track of information you have collected
bar graph
a bar graph can show how data compare - vertical and horizontal bar graphs
pictograph
uses pictures or symbols to show data
event
something that may or may not happen
predictions
when you know the probability of an event, you can use the probability to make a prediction
certain
some events are certain and you KNOW they must happen
impossible
some events are impossible and you know that they can never happen
equally likely
outcomes that have the same chance of occuring
less likely
smaller chance that an event will happen
more likely
greater chance that an event will happen
length
how long something is
width
how wide something is
increase
when the temperature rises or goes up on the thermometer
hour hand
the shorter hand on the clock that tells the hour
drop
when the temperature on a thermometer decreases or goes down
denominator
in a fraction, the number that stands for how many equal parts a whole is divided into
equivalent
having the same value
fraction
a number that stands for part of a whole or part of a group
numerator
in a fraction, the number that stands for how many parts of a whole or group are included
set
a group of items that have something in common
angle
two rays with a common end point
circle
a plane shape, not a polygon, that is closed with all of the points an equal distance from the center
congruent
figures that have the same size and same shape
corner (vertex)
where two edges or sides come together on a space or plane shape
base
a flat side of a cylinder or cone
sum
the answer to an addition problem
difference
the answer to a subtraction problem
Addend
The numbers in an addition problem.
Addition
put together two or more values
Digit
Numbers from 0 to 9
Estimate
An approximate rather than an exact answer.
Fact family
A set of related number sentences
Missing addend
A number missing in the number sentence
Regroup
To rename a number
Subtraction
take away; compare two values; or find the missing part
Zero property of addition
A number added to zero will have the sum of that number
Zero property of subtrction
Zero subtracted from any number will have the difference of that number
Even
A number that can be divided into two equal groups
Expanded Notation
A number written by its place value
Greater than >
The symbol used to compare two numbers when the larger number is on the left
Less <
The symbol used to compare two numbers when the smaller number is on the left
Ordinal numbers
A number that tells the position or order
Place Value
The value of a digit based on its position in a number
Rounding
Expressing a number to the nearest ten, hundred, or thousand
Standard form
A number written with one digit for each place value