this symbol, before a number, means that the quantity is an amount of dollars
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less than, greater than,and equal to
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90◦ = 1/4 of a circle of a circle
a right angle
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about (estimation)
reasonably close to
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acute angle
an angle with a measure less than 90°
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acute triangle
a triangle with three acute angles
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angle
a figure formed by two rays with the same endpoint (vertex).
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area
the surface included within a set of lines
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array
an arrangement of objects, pictures, or numbers in rows and columns
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base-10 blocks/base-ten blocks
a set of blocks to represent ones, tens, hundreds, and thousands in the base-10 place-value system
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centimeter
a unit of length equal to ¹/₁₀₀ meter
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column
a vertical arrangement of objects or numbers in an array or a table.
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common denominator
a nonzero number that is a multiple of the denominators of two or more fractions
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create (write)
to bring into existence
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degree (angle measure)
a unit of measure for angles equal to an angle with its vertex at the center of a circle and its sides cutting off ¹/₃₆₀ of the circumference
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denominator
the part of a fraction that is below the line and that functions as the divisor of the numerator
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difference
the result of subtracting one number from another, how much one number differs from another
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digit
any of the Arabic numerals 1 to 9 and usually the symbol 0
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equal(s)
when two (or more) things are the same value, represented by the sybol =
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equation
says two things are the same, using math symbols
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equivalent
having the same solution set
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equivalent equation
equations with the same solution
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equivalent fraction
fractions that represent the same value, even though they look different
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estimate
an answer close to, or approximating, an exact answer
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expanded form
a way of writing a number as the sum of the values of each digit
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expression
a mathematical phrase made up of numbers, variables, operation symbols, and/or grouping symbols
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factor(s)/factor of
each of the two or more numbers in a product
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feet (ft)
a U.S. customary unit of length equivalent to 12 inches
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fewest
least
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figure (diagram)
a number symbol
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grams (g)
a metric unit of mass equal to ¹/₁₀₀₀ kilogram and nearly equal to the mass of one cubic centimeter of water at its maximum density
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greater than
when the variable or number is more than the given limit, represented by the symbol >
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greatest
when comparing three or more values, this is the largest in size, amount, or degree
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hour(s)
a period of time equal to 1/24 (a twenty-fourth) of a day or 60 minutes
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how much more than...
they just say the number that is bigger
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hundred
ten ten's, 100
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hundreds
the place value in a number that represents how many 100's there are
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in all
in total number; altogether
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inch(es) (in)
a measure of length
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intersect
to meet or cross
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intersecting
(of two or more things) pass or lie across each other
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kilometer (km)
a metric measure of distance and equal to 1,000 meters
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least
the smallest
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less than
smaller than another (
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line of symmetry
"a line that divides a figure into halves, each of which is the mirror image of the other
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line plot
a method of visually displaying a distribution of data values where each data value is shown as a dot or mark above a number line, also known as a dot plot
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meter (m)
a metric unit for measuring length; Equal to 100 centimeters (cm)
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minute(s)
a measurement of time equal to 60 seconds
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model (represent)
the process of creating a mathematical representation of a real-world scenario to make a prediction or provide insight
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model (picture/diagram)
a smaller copy of an object
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multiples of
the product of a given whole number and any other whole number
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nearest hundred
closest to hundred
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nearest ten
closet to ten
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nearest thousand
closest to thousand
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number
an arithmetic value used to represent quantity
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number line
a line on which points are indicated by tick marks that are usually at regularly spaced intervals from a starting point called the origin, the zero point, or simply 0
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numerator
number above the line of a fraction, showing how many parts you have
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obtuse angle
an angle with a measure greater than 90° and less than 180°
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ones
the place value in a number that represents how many 1’s there are
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parallel
line that are a constant distance apart, never intersecting.
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pattern
a predictable sequence
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perimeter
the distance around the boundary of a 2-dimensional figure
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perpendicular
lines that form a 90° angle where they cross
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place value
the value of a digit in a number, based on the location of the digit
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product
the result of multiplying numbers together
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properties of (geometric)
is a quality or characteristic belonging to something
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protractor
an instrument used to measure and draw angles
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quadrilateral
a polygon with four sides and four angles
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quotient
the result of dividing one number by another
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reasonable estimate
logical or sensible based on the provided information
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rectangle
a parallelogram with four right angles
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rectangular
a solid figure with six faces that are all rectangles
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remainder
an amount left over after one number is divided by another
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right angle (⦜) (90◦)
an angle that measures exactly 90°
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right triangle
a triangle with one angle measuring 90°
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rounded to
to approximate a number to a specified place value
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row
an arrangement of figures, side by side
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rule for/rule describes
a general statement written in numbers, symbols, or words that describes how to determine any term in a pattern or relationship.
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seconds
the basic unit of time. There are 60 seconds in 1 minute and 3,600 seconds in an hour
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set/set of
a collection of things (objects or numbers, etc.). Each member is called an element of the set. There should only be one of each member (all members are unique)
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shape
shape is how something looks
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smallest to largest/least to
least in size or value to greatest in size or value
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greatest
notably large in size
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square feet, centimeters, inches
equal to the area of a square that measures 1 foot on each side, or centimter, inches.
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standard form
a way of writing a very large number with one number before the decimal point, multiplied by a power of 10
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straight angle (180◦)
an angle that measures exactly 180°
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sum
an indefinite or specified amount of money
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table (data)
a sheet giving information in tabular form
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ten
a number that is one more than nine see Table of Numbers
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tens
is the place for the number to the left of the ones place
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thousand
1,000
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thousands
the place value of a number that represents how many 1000's
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times as many/as much
a word that means to “multiply by”
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times more than
a word that means to “multiply by”
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true statement
a message that is stated or declared
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twice
two times
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units
another name for one, place value – the units column is the ones column
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value of
a number or symbol that represents an amount
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value of vs place value (8 in 86 has value of 80 but in the tens place)
how much something is worth; the numerical quantity assigned to a variable