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NWEA Math Vocabulary 221-230
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Gravity
Key Concepts:
Terms in this set (30)
algebra
A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.
arc
Part of a circle between any two of its points.
central angle
an angle whose vertex is the center of the circle
common denominator
A number that is a multiple of all denominators in a problem.
complementary angle
Two angles whose sum is 90 degrees
cubic meter
a unit for measuring the volume of a solid
equilateral triangle
A triangle with three congruent sides
(a triangle with three equal sides)
expanded notation
A way to write numbers by
showing the value of each digit
Example: 253 = 200 + 50 + 3
a way to visually demonstrate place value (42= (4
10) + (2
1)
experimental probability
Probability based on data from repeating an event (doing an experiment)
frequency table
A table for organizing a set of data that shows the number of times each item or number appears.
interior angle
angles inside of a polygon
isosceles triangle
a triangle with at least two congruent sides
least common denominator
The least common multiple of the denominators of two or more fractions.
lowest common denominator
the smallest number, other than zero, that can be the denominator for two or more common fractions
midpoint
A point that divides a segment into two congruent segments
mode
the most frequently occurring score(s) in a distribution
net
A two-dimensional pattern that can be folded to make a three-dimensional prism or pyramid
obtuse triangle
a triangle with one obtuse angle
range
the difference between the highest and lowest scores in a distribution
real number
All rational and irrational numbers
reflexive
any quantity is equal to itself
scale factor
the ratio used to enlarge or reduce similar figures
scalene triangle
a triangle with no two sides of equal length
a triangle with no congruent sides
sum of measures
the result of adding the measures of the angles of a polygon
survey
the collection of data by having people answer a series of questions
tails
the thinner ends of a distribution
the parts that typically trail off on either side
ten million
10,000,000
ten thousandth
.0001
theoretical probability
What should occur or what we expect to happen in an experiment
transitive
if a=b and b=c then a=c
THIS SET IS OFTEN IN FOLDERS WITH...
NWEA Math Vocabulary 231-240
31 terms
NWEA Math Vocabulary 211-220
33 terms
NWEA Math Vocabulary 201-210
41 terms
NWEA Math Vocaulary 241-250
20 terms
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