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149 Cards in this Set
- Front
- Back
a.m
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used to show time between midnight and noon
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Associative Property of Multiplication
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the way that factors are grouped does not change the product
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certain
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to be sure or definite
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cube
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a space figure with 6 congruent faces, 8 vertices, and 12 equal edges
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decimal number
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a number containing a decimal point
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difference
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the answer to a subtraction problem
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endpoint
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a point at the end of a line segment or ray
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face
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a flat surface on a space figure
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front-end digit
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the digit in the place with the greatest value
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hexagon
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a polygon with 6 sides and 6 vertices
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inverse operations
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2 operations with the opposite effect like multiplication and division
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line graph
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a graph used to show how data changes over time
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median
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the middle number when numbers are arranged from least to greatest
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mirror image
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the reverse image of a figure
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numerator
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the top number in a fractio; how many equal parts are being considered
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ounce (oz)
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a customary unit of mass
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period
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a group of 3 digits in a number separated by a comma from the other digits
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plane figure
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any 2-dimensional figure
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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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remainder
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the number that is left after dividing
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space figure
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a figure with 3 dimensions
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teaspoon (tsp)
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a customary unit of capacity
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trapezoid
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a quadrilateral with 1 pair of parallel sides and 1 pair of sides that are not parallel
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whole number
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any of the counting numbers 0, 1, 2, 3, 4, 5, 6, 7….
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acute angle
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an angle less than a right angle
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average
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the sum of addends divided by the number of addends
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circle
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a closed plane figure with all the points the same distance from center
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cup, c
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a customary unit of capacity
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decimal point
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a dot separating the ones and tenths places in a decimal number
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digit
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the symbols 0 to 9 used to write numbers
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equally likely
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outcomes having the same chance of happening
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fact family
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all related +/- or x/- facts that use the same numbers
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front-end estimation
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an estimation made using the front-end digit of a number
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hundredths
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the name of the second place after the decimal point
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kilogram (kg)
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a metric unit of mass
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line of symmetry
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a line on which a figure can be folded so that both halves are congruent
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meter
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a metric unit of length/distance
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mixed number
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a number written as a whole number and a fraction
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obtuse angle
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an angle greater than a right angle
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outcome
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a result of a probability experiment
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perpendicular
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2 lines that intersect and form right angles
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plot
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using an ordered pair to locate a point on a grid
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Property of 1 for Division
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any number divided by 1 is that number
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range
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the difference between the greatest number and the least number in a set of numbers
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right angle
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an angle with the shape of a square corner
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sphere
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a three-dimesional figure with a curved surface that is shaped like a ball
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tenths
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the name of the first place after the decimal point
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turn (rotation)
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a transformation of a figure by turning it
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word form
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a number written in words
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addend
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a number that is added
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bar graph
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a graph that uses bars to compare data
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closed figure
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a plan figure that completely surrounds an area
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customary system
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a system of measurement used in the U.S.
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decimeter (dm)
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a metric unit of length
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dividend
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the number to be divided
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equivalent decimals
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2 decimals that are equal
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factors
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numbers that are multiplied to give a product
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gallon (gal)
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a customary unit of capacity
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impossible
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cannot happen
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kilometer (km)
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a metric unit of length
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line segment
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a part of a line with 2 endpoints
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metric system
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a measurement system based on tens
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most likely
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outcomes that have a greater chance of happening
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octagon
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a polygon with 8 sides and 8 vertices
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p.m.
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used to show the time between noon and midnight
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pictograph
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a graph that uses pictures or symbols to show data
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point
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any exact location in space represented by a dot
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Property of 1 for Multiplication
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the product of any number and 1 is that number
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ratio
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a comparison of two numbers
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rotation
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a transformation of a figure by turning it about a fixed point
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sum
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the answer to an addition problem
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three-dimensional (3-D) figures
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space figures that have length width and height
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two-dimensional figures (2-D)
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plane figures that have length and width
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yard (yd)
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a customary unit of length
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angle
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the figure made by 2 rays that extend from a common endpoint
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capacity
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the amount a container can hold
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Commutative Property of Multiplication
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the order in which numbers are multiplied does not change the product
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cylinder
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a space figure with 2 circular faces that are parallel and congruent
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degree Celsius ( C)
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a metric unit used to measure temperature
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divisor
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the number by which a number is divided
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equivalent fractions
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2 fractions that are equal
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fraction
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a number that names parts of a whole
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gram (g)
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a metric unit of mass
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improper fraction
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a fraction with a value greater than 1, the numerator is greater than or equal to the demonimator
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least likely
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outcomes that have a smaller chance of happening
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liter (L)
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a metric unit of capacity
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milliliter (mL)
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a metric unit of capacity
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multiple
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the product of a whole number and any other whole number
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open figure
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a plane figure that does not completely enclose an area
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parallel
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lines that are the same distance apart and do not intersect
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pint (pt)
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a customary unit of capacity
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polygon
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a closed plane figure made with line segments
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pyramid
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a space figure whose base is a polygon, and other faces are triangles that meet at a vertex
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ray
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a part of a line that has 1 endpoint and goes on and on in one direction
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round
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to estimate a number to the nearest ten, hundred, or thousand
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square pyramid
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a space figure with a square base and 4 faces that are triangles and meet in a vertex.
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ton (t)
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a customary unit of weight
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Venn diagram
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a diagram that uses intersecting circles to compare groups of objects
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Zero Property of Division
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0 divided by any number except 0 is 0. A number cannot be divided by zero.
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area
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the measure, in square units, of the inside of a plane figure
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centimeter (cm)
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a metric unit of length
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cone
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a space figure with 1 curved surface, 1 flat face, 1 curved edge, and 1 vertex
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data
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a collection of facts gathered by observation, questioning, or measuring
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degree ( F)
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a customary unit used to measure temperature
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edge
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the line where 2 faces of a space figure meet
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estimate
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an approximate rather than an exact answer
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flip (reflection)
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a transformation that results in a mirror image of a figure
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graph
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a drawing used to record information
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inch (in.)
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a customary unit of length
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less than (<)
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the symbol used to compare 2 numbers when the smaller number is on the left
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mass
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the weight of an object; the amount of matter in an object
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millimeter (mm)
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a metric unit of length
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number line
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a line on which points correspond to numbers
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ordered pair
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a pair of numbers used to name a location on a grid
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pentagon
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a polygon with 5 sides and 5 vertices
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place value
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the value determined by the position of a digit in a number
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pound (lb)
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a customary unit of mass
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quadrilateral
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a 4-sided polygon
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rectangular prism
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a space figure with 6 rectangular faces, 8 vertices, and 12 edges
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side
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a line segment that is part of a plane figure
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standard form
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a number written with one digit for each place value
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transformation
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an operation on a geometric figure by which another image is created
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vertex/vertices
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the point or points where 2 or more line segments meet; the "corner"
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Zero Property of Multiplication
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the product of any number and 0 is 0.
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array
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an arrangement of objects in rows and columns
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century
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100 years
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congruent
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figures that have the same size and shape
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decade
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10 years
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denominator
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the bottom number in a fraction; the number of equal parts
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elapsed time
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the amount of time between 2 given times
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expanded form
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a way to write numbers that shows the value of each digit
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foot (ft)
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a customary unit of length
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greater than (>)
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the symbol used to compare 2 numbers when the larger one is on the left
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intersecting lines
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lines that cross at one point
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line
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a straight path that goes on and on in 2 directions with no endpoints
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mean
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the average of a set of numbers
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mode
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the number that appears most often in a set of numbers
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number sentence
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an equation or inequality written with numbers and symbols
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ordinal number
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a number telling the position of something
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perimeter
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the distance around a figure
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plane
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a flat surface that goes on and on in all directions
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probability
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the chance of something happening
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quart (qt)
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a customary unit of capacity
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reflection
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a transformation that results in a mirror image
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slide (translation)
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a transformation that moves a figure by slidings each of the points the same distance and direction
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tablespoon (tbsp)
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a customary unit of capacity
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translation
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a transformation that moves a figure by slidings each of the points the same distance and direction
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volume
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the number of cubic units that fit inside a space figure
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