5th Grade Word List - Math

Words for students of 5th Grade, the page is for math words (List 1), which are essential vocabulary for 5th Grade academic classes.
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 5th Grade: 5th Grade Word List - Math (List 1)
algebraic expression
Speak
an expression built up from constants, variables, and a finite number of algebraic operations
angle
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the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians
array
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an orderly arrangement; an impressive display; an arrangement of aerials spaced to give desired directional characteristics
axis
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the center around which something rotates; pivot
central tendency
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a central value or a typical value for a probability distribution
composite
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made up of distinct parts or elements; compounded
congruence
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the quality of agreeing; being suitable and appropriate
customary system
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the system of weights and measures based on the foot and pound and second and pint that dates back to colonial America but differs in some respects from the British Imperial System
customary unit
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a set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce
decompose
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lose a stored charge, magnetic flux, or current; break down
diagonal
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straight line connecting any two vertices of a polygon that are not adjacent
equation
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making equal; equal division; equality; equilibrium
exponent
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one that expounds or interprets; one that speaks for, represents, or advocates
frequency
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the number of occurrences within a given time period
greatest common factor
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the largest integer that divides without remainder into a set of integers
integer
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any of the natural numbers (positive or negative) or zero
intercept
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the point at which a line intersects a coordinate axis; cause to stop on the passage
interior angle
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the angle inside two adjacent sides of a polygon
intersecting
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meet at a point
inverse
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opposite; reversed in order, nature, or effect; turned upside down
least common multiple
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the smallest multiple that is exactly divisible by every member of a set of numbers
line of symmetry
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symmetry with respect to reflection
metric system
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a decimal system of weights and measures based on the meter and the kilogram and the second
metric unit
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a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)
ordered pair
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two numbers written in a certain order, usually written in parentheses like this: (4,5)
polygon
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a closed plane figure bounded by straight sides
prime
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first in excellence, quality, or value; at the best stage; peak; first in degree or rank; chief
protractor
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drafting instrument used to draw or measure angles
quadrilateral
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four-sided polygon; having four sides
rate
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a quantity or amount or measure considered as a proportion of another quantity or amount or measure
rotational symmetry
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an object that looks the same after a certain amount of rotation
square root
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a number that when multiplied by itself equals a given number
standard form
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scientific notation, where a number is written in two parts: 1)digits with the decimal point placed after the first digit, 2) X10 to a power
stem-and leaf plot
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a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution
symmetry
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arrangement of parts so that balance is obtained; congruity
variables
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symbol representing such a quantity