Vocabulary

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A symbol used to name part of a whole, part of a set, or a location on a number line is called a fraction. 

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In a fraction, the number below the fraction bar that represents the total number of equal parts in one whole is the denominator. 

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A know fraction that is commonly used for estimating is called a benchmark fraction.

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Fractions that name the same regions, part of a set, or part of a segment are equivalent fractions. 

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In a fraction, the number above the fraction bar that represents the part of the whole is the numerator. 

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A common factor is a number that is a factor of two or more given numbers.