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