g4c9

=Grade 4 Math, Chapter 9=


 * Vocabulary**

Fraction: A fraction is a symbol, such as 2/3, 5/1,or 8/5, used to name part of a whole, part of a set, a location on a number line, or a division of whole numbers.

Numerator: The number above the fraction bar in a fraction.

Denominator: The number below the fraction bar in a fraction; the total number of equal parts in all.

Benchmark fractions: Fractions that are commonly used for estimation: ¼, 1/3, ½, 2/3, and ¾.

Equivalent fractions: Fractions that name the same region, part of a set, or part of a segment.

Common factor: A factor that two or more numbers have in common.

Simplest form: A fraction in which the numerator and the denominator have no common factors other than 1.

Mixed numbers: A number that has a whole number and a fraction.

Improper fractions: A fraction in which the numerator is greater than or equal to the denominator.

Circle graph: A graph in the shape of a circle that shows how the whole is broken into parts.