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Course 3 Chapter 4
Chapter 4 Vocab
14
Mathematics
7th Grade
10/11/2010

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Term
Divisible
Definition
Two numbers are this if first number can be divided by the second number with a remainder of 0.
Term
Prime Number
Definition
A whole number with exactly two factors, 1 and itself.
Term
Composite Number
Definition
A whole number greater than 1 with more than two factors.
Term
Prime Factorization
Definition
Writing a composite number as the product of its prime factors.
Term
Greatest Common Factor (GCF)
Definition
The greatest number that is a factor of all of the numbers.
Term
Rational Number
Definition
Any number written as a/b, where b is not equal to 0.
Term
Relatively Prime
Definition
Two numbers are this if their only common factor is 1.
Term
Terminating Decimal
Definition
A decimal that stops.
Term
Repeating Decimal
Definition
A decimal that repeats the same digit or block of digits forever.
Term
Least Common Multiple (LCM)
Definition
The smallest number that is a multiple of both numbers.
Term
Least Common Denominator (LCD)
Definition
The least common multiple of the denominators.
Term
Reciprocals
Definition
Two numbers are this if their product is 1.
Term
Multiplicative Inverse
Definition
The reciprocal of a number is called this.
Term
Formula
Definition
A rule that shows the relationship between two or more quantities.
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