value The distance from 0 to
the graph of a number on the number line.
angle An angle with measure between 0°
triangle A triangle with three
inverse Two integers that are opposite each other.
The sum of any number and its additive inverse is
property of equality If
you add the same number to each side of an equation, the two sides remain equal.
angles Two angles with a common
side and a common vertex, but with no common points in their
A mathematical language that uses
letters along with numbers. The letter (variable) stands for the
expression A combinations of variables, numbers and at least one operation.
interior angles One of two pairs of angles formed when a transversal
intersects two lines. In the
L I and L are one such pair, and L and
L are the other.
A perpendicular segment from any point on the side opposite the base (of a
parallelogram) to the line
A figure formed by two rays with a common endpoint.
rate of interest A percent of
the principal figured on a yearly basis.
number A number used to express a measurement
A part of a circle.
Amount of surface, measured in square units.
average The sum of the numbers in a set divided by the number of elements in
sequence A sequence of numbers in which successive terms can be found by
adding the same
to the preceding term.
property of addition For any numbers a,
b and c, (a
+ b) + c = a + (b + c).
property of multiplication For any numbers a,
b and c, (a
x b) x c = a
x (b x
Average The sum of two or more quantities divided by the number of quantities.