(of polyhedron) A line segment formed by the intersection of two faces of a
(of prism) A line segment formed by the intersection of two faces of a prism
A member of a set
set The set with no elements, represented by 0. (Some mathematicians also
use f I to represent the empty set.)
The point at the end of a line segment or ray.
(of fractions) Two fractions,
A mathematical sentence with an equals sign to indicate
that two expressions name the same number.
A polygon with equal angles. (Regular polygon).
triangle A triangle in which
all sides are congruent.
equations Equations that
have the same solution.
fractions Fractions that name the same number.
that have the same solutions.
A guess made as the answer to a problem by using numbers which are close in
value to the numbers
in the problem)
an expression To replace
a variable in an expression with one of its values and then complete the
A specific outcome or type of outcome.
number The number used to express a count of objects (308)
form The method of
representing a number as the sum of products of each digit and powers of 0.
notation Writing a number as an indicated sum of face values times place
value The average value that one would expect to get over many attempts.
probability An estimated probability based on the relative frequency of
during an experiment.
A number indicating how many times the base is used as a factor. In 54,
the exponent is 4.
angle If the a side of a polygon is extended, an exterior angle is formed.
Extremes of a proportion 0 The first and last terms of a proportion.
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