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NWEA Math Vocabulary 221-230
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Gravity
Key Concepts:
Terms in this set (33)
algebra
the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
arc
Part of the circumference of a circle or part of any curve.
central angle
The angle subtended at the center of a circle by two given points on the circle.
common denominator
When two or more fractions have the same denominator (the number on the bottom)
complementary angle
Two Angles are Complementary when they add up to 90 degrees (a Right Angle)
cubic meter
A volume that is made by a cube that is 1 meter on each side.
cubic millimeter
a cube that is 1 millimeter on each side.
cubic yard
a unit of volume equal to a cube one yard long on each side
equilateral triangle
A triangle with all three sides of equal length. All the angles are 60°
expanded notation
Writing a number to show the value of each digit. It is shown as a sum of each digit multiplied by its matching place value (units, tens, hundreds, etc.)
experimental probability
the ratio of the number of times an event occurs to the total number of trials or times the activity is performed
frequency table
constructed by arranging collected data values in ascending order of magnitude with their corresponding frequencies
interior angle
An angle inside a shape
isosceles triangle
a triangle that has two sides of equal length
least common denominator
The smallest number that can be used for all denominators of 2 or more fractions
long
measuring a great distance from end to end
lowest common denominator
the lowest common multiple of the denominators of several fractions
midpoint
The point halfway along.
mode
The number which appears most often in a set of numbers
net
A pattern that you can cut and fold to make a model of a solid shape
obtuse triangle
A triangle that has an angle greater than 90°
range
the area of variation between upper and lower limits on a particular scale
real number
The type of number we normally use, such as 1, 15.82, −0.1, 3/4, etc.
reflexive
A relation R on a set S is reflexive provided that x R x for every x in S.
scale factor
The ratio of any two corresponding lengths in two similar geometric figures.
scalene triangle
A triangle with all sides of different lengths. No sides are equal and no angles are equal
short
measuring a small distance from end to end.
sum
The result of adding two or more numbers.
survey
To gather information by individual samples so as to learn about the whole thing
tails
An extremity of a curve approaching the horizontal axis of a graph, especially that of a frequency distribution
ten million
The number that is represented as a one followed by 7 zeros (10,000,000)
theoretical probability
the likeliness of an event happening based on all the possible outcomes
transitive
(of a relation) such that, if it applies between successive members of a sequence, it must also apply between any two members taken in order. For instance, if A is larger than B, and B is larger than C, then A is larger than C.
THIS SET IS OFTEN IN FOLDERS WITH...
NWEA Math Vocabulary 201-210
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NWEA Math Vocabulary 231-240
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NWEA Math Vocabulary 241-250
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NWEA Math Vocabulary 211-220
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