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NWEA Math RIT 231-240
NWEA Math Vocabulary for RIT scores 231-240
Terms in this set (59)
A triangle that contains only angles that are less than 90 degrees.
relation between 2 or more algebraic expressions that are related by signs =, <, >, ≥, ≤, ≠
any unbroken part of the circumference of a circle or other curved line.
a sequence of numbers in which the difference of two consecutive numbers is the same
used in subtraction
a straight line connecting two points on a circle... can never be longer than the diameter
sides that have the same length.
Rewriting a measurement with different units.
Angles in the same place on different lines.
Matching sides of two or more polygons.
measure of the size of a surface region that would be exposed by making a straight cut through something, esp. at right angles to an axis
A name for a number to the third power., The product in which a number is a factor three times. Two cubed is 8 because 2 x 2 x 2 = 8.
the volume of a cube with edges that all measure one inch
A point on a graph showing the location of a piece of data.
A reduction in price on purchases during a stated period of time
A elongated circle, or oval shape, the shape of the planets orbit.
a statement that two quantities are equal; equation
A way of writing numbers in which the numbers are written to show the place value of each digit (639 = 600 + 30 + 9)
A number that tells how many times the base is multiplied by itself
a unit of time equal to 30 minutes
Going straight across from side to side
A flat, slanted surface.
angles inside of a polygon
the difference between two numbers on the scale
a unit of power equal to 1000 watts
The lower 25% (or the 25th percentile) of an ordered set of data
Greatness of size, strength, or importance
A rectangular arrangement of numbers into horizontal and vertical rows and columns.
meters per minute
distance traveled in a minute measured in meters
Any data point that sticks out. NOT all data sets have one.
a U shaped line on a graph
A point on a ranking scale of 0 to 100.
Distance between highest and lowest scores in a set of data.
A triangle that has a 90 degree angle.
A relatively small proportion of people who are chosen in a survey so as to be representative of the whole.
A factor by which a figure is enlarged or reduced.
A three-dimensional representation of a larger or smaller object.
A mathematical method of writing numbers using powers of 10., 6,310,000 Move the decimal point to change your number so that so that it is equal/greater than 1 but less than 10. (6.31 x 10 to the 6th power)
A line that intersects a circle in two points
A measure of the steepness of a line. rise over run
the answer to a math problem
three-dimensional geometric figure with a square base and four triangular sides that connect at one point; a pyramid with a square base
Area whose boundaries are a square
following in order
system of equations
two or more equations with the same variables
A line in the plane of a circle that intersects the circle in exactly one point.
a sum of money demanded by a government for its support or for specific facilities or services, levied upon incomes, property, sales,
using one number as a factor ten times; 10^10=10000000000
The first place value after a decimal point. Is the largest decimal value. It takes 10 tenths to make a whole.
A number, a variable, or the product of a number and a variable
A repeating pattern of shapes that completely cover a plane without overlaps or gaps. Also called a tiling.
multiplying by three
the 75th percentile (splits off the highest 25% of data from the lowest 75%)
A quantity that has both size and direction
lines that run up and down
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