equivalent

having the same value Example 3/4 and 6/8 name the same amount

3/4=6/8

improper fraction

a fraction where the numerator is larger than the denominator

Example:  4/3 is an imroper fraction

mixed number

A number that is made up of a whole number and a fraction

example:  1 5/8 is an improper fraction

greater than

A symbol used to compare two numbers, with the greater number given first

Example:  6 is greater than 4

less than

A symbol used to compare two numbers, with the lesser number given first.

Example:  4 is less than 6

simplest form

The form for a fraction when the numerator and denominator have only 1 as the common factor

common denominator

A number that may be evenly divided by each of the denominators of a given group of fractions.

6, 12, and 18 are all common denominators of 1/3 and 1/2

dot sketch

An array of small circles that is used to represent a fraction, to multiply fractions, and to show combinations

Example:  foooo

                                 foooo      1/5

                      foooo

                      foooo

numerator

The number above the bar in a fraction that tells how many equal parts of the whole are being considered

Example:  3/4 the number on top is the numerator

denominator

The number below the bar in a fraction that tells how many equal parts are in a whole

Example:  3/4 the number on the bottom is the denominator

Part of a whole

One or more equal sections of one unit

Example:  A quarter hour is 1/4 of an hour, and an hour has 4 such parts in it

combined partial product

A combination of any of the partial products (but not the final product) of a multiplication problem

variable

A letter or symbol that stands for a value that can change

row (repeat)

A horizontal line in an array

Example:

         fffff(row)

ooooo

ooooo

ooooo

column(repeat)

A vertical line in an array

Example:  column

foooo

foooo

foooo

foooo

fraction

A number that stands for parts of a whole