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Fractions

5th grade fraction vocabulary

TermDefinition
* benchmark fraction Common fractions used for estimating, such as 1/4, 1/3, 1/2, 2/3, and 3/4
Factor Numbers that can be multiplied together to get another number
* Greatest Common Factor (GCF) The greatest number that is a factor of two or more given numbers. They are used to reduce a fraction.
Multiple We get a multiple of a number when we multiply it by another number. The multiples of 4 are: 4, 8, 12, 16, 20, 24...
* Numerator The number above the fraction bar. It tells how many pieces are in use.
* Denominator The number below the fraction bar. It tells how many pieces make a whole
Equivalent Fractions Fractions that have the same value
* Mixed Number A number that has a whole number part and a fractional part Ex: 2 1/2
* Improper Fraction A fraction whose numerator is greater than or equal to its denominator Ex: 4/3, 5/5
Common Multiple The common numbers found in two or more lists of multiples.
Least Common Multiple The smallest of the common multiples. They are used to find a common denominator
Least Common Denominator (LCD) The least common multiple of the denominators
Common Denominator When the denominators of two or more fractions are the same.
* Fraction A symbol used to describe one or more parts of a whole that is divided into equal parts. Example: 3/5
* Common Factor A number that is a factor of two or more given numbers
* Simplest Form a fraction in which the greatest common factor of the numerator and denominator is 1 Ex: 5/10 = 1/2
Created by: mrszmath