and 2 look different but are the same number. Likewise, the number 1 can be expressed as 30 or 
.The following sections of this BookRags Literature Study Guide is offprint from Gale's For Students Series: Presenting Analysis, Context, and Criticism on Commonly Studied Works: Introduction, Author Biography, Plot Summary, Characters, Themes, Style, Historical Context, Critical Overview, Criticism and Critical Essays, Media Adaptations, Topics for Further Study, Compare & Contrast, What Do I Read Next?, For Further Study, and Sources.
(c)1998-2002; (c)2002 by Gale. Gale is an imprint of The Gale Group, Inc., a division of Thomson Learning, Inc. Gale and Design and Thomson Learning are trademarks used herein under license.
The following sections, if they exist, are offprint from Beacham's Encyclopedia of Popular Fiction: "Social Concerns", "Thematic Overview", "Techniques", "Literary Precedents", "Key Questions", "Related Titles", "Adaptations", "Related Web Sites". (c)1994-2005, by Walton Beacham.
The following sections, if they exist, are offprint from Beacham's Guide to Literature for Young Adults: "About the Author", "Overview", "Setting", "Literary Qualities", "Social Sensitivity", "Topics for Discussion", "Ideas for Reports and Papers". (c)1994-2005, by Walton Beacham.
All other sections in this Literature Study Guide are owned and copyrighted by BookRags, Inc.
Two mathematical expressions may take different form and yet have the same value. For example, and 2 look different but are the same number. Likewise, the number 1 can be expressed as 30 or .
In the decimal system, for example, the fraction ½ is also express as 0.5. The word "fraction" refers to the form of a number. The form of 
is a fraction, but its value is 4, which is an integer. Similarly, 2 ½ has the form of a mixed fraction, but it can be expressed as the fraction 
, or the decimal number 2.5.
Algebraic expressions also have form and value. The value of 3(x + 2) and 3x + 6 is the same, but 3(x + 2) is in the monomial form, and 3x + 6 is in the binomial form. Numbers can be also written using both monomial and binomial form.
In monomial form, even numbers are expressed as 2x for x = 1, 2, 3,… generating all even numbers 2, 4, 6,…. In binomial form, even numbersare expressed as 2x + 2 for x = 0, 1, 2,…, which again generates all the even numbers 2, 4, 6,….
Amdahl, Kenn, and Jim Loats. Algebra Unplugged. Broomfield, CO: Clearwater Publishing Co., 1995.
Miller, Charles D., Vern E. Heeren, and E. John Hornsby, Jr. Mathematical Ideas, 9th ed. Boston: Addison-Wesley, 2001.