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Math vocabulary Ch. 7
R4 words
21
Mathematics
6th Grade
01/18/2007

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Term
arithmetic sequence
Definition
A sequence of numbers in which you can find the next term by adding the same number to the previous term.
Term
common difference
Definition
The difference between any 2 consecutive terms in an arithmetic sequence.
Term
common ratio
Definition
The constant factor used to multiply consecutive terms in a geometric sequence.
Term
geometric sequence
Definition
when consecutive terms of a sequence are formed by multiplying by a constant factor, the sequence is called a geometric sequence.
Term
sequence
Definition
A list of numbers in a certain order, such as, 0, 1, 2, 3 or 2, 4, 6, 8.
Term
term
Definition
A number in a sequence.
Term
inverse property of multiplication
Definition
The product of a rational number and its multiplictive inverse (reciprocal) is 1.
Term
mixed number
Definition
The sum of a whole number and a fraction. 6 2/3 is a mixed number.
Term
multiplicative inverse
Definition
A number times its multiplicative inverse is equal to 1. The multiplicative inverse of 2/3 is 3/2. (reciprocal)
Term
reciprocal
Definition
The multiplicative inverse (or opposite) of a number.
Term
altitude
Definition
A segment in a quadrilateral that is perpendicular to both bases, with endpoints on the base lines.
Term
base
Definition
The base of a parallelogram or a triangle is any side of the figure. The bases of a trapezoid are the parallel sides.
Term
center
Definition
The given point from which all points on a circle or a sphere are the same.
Term
circle
Definition
The set of all points in a plane that are the same distance from a given point called the center.
Term
circumference
Definition
The distance around a circle.
Term
diameter
Definition
The distance across a circle through its center.
Term
height
Definition
The length of the altitude of a triangle or a quadrilateral.
Term
radius
Definition
The distance from the center of a circle to any point on the circle.
Term
trapezoid
Definition
A quadrilateral with exactly one pair of parallel sides.
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