Math 276: Prealgebra

The Adobe Reader

To use the textbook and Optimath system in this course, you must have properly installed and configured the Adobe Reader on your computer. You will need to download a free copy of the Acrobat Reader to read them. Click the following icon to obtain a free copy of the Acrobat Reader.

It is important that you have the most current version of the Acrobat Reader that your system will allow. The above links will take you to the Adobe site. The Adobe site will analyze your system, but you may be asked to choose the appropriate version of the reader for your system. If this happens, carefully select the appropriate version of the reader for your system.

Installation Instructions:

Course Description and Prerequisites

At College of the Redwoods, Math 276 is the course number for our Prealgebra course. This course is designed to provide a review of arithmetic and a first introduction to the study of algebra.

Prerequisites: Grade of C or better in Math 372 (College Arithmetic) or equivalent, or an appropriate score on the math placement exam.

Course Description: A comprehensive review of arithmetic involving whole numbers, fractions, decimals, and signed numbers. Students will solve problems involving ratios, proportions, percents and geometry. Basic algebra concepts and techniques such as, variables, simplifying expressions, solving equations and graphing linear equations will also be introduced. Problem solving, estimation and the communication of mathematical ideas are an integral part of the course.

Prealgebra Textbook

The second edition of our Prealgebra textbook was completed in summer 2010. Although the stucture of chapters and sections remains the same, this new edition contains some revised text and exercises, as well as new features. Therefore, students in Fall 2010 classes must use the new edition (labeled Fall 2010).

Each semester, every student in Prealgebra at the College receives a free copy of the textbook and solutions manual on CD. To help you get started using the textbook on the CD, watch the video Getting Started with the Prealgebra Text.

The latest version of the textbook is also available online at:

New interactive features in the online and CD versions of the textbook:

New features in the printed version of the textbook:

Printed Versions of the Prealgebra Textbook

For those who prefer a printed version of the textbook, there are two different printed packages which can be ordered from

All printed packages are bound paperback books in black-and-white.

If you order from during the summer, you are granted free shipping for all purchases over $20. To purchase both the textbook and solution manual costs $40, so you will be granted free shipping. However,

Tabbed Browsing

Most browsers allow tabbed browsing. To see how tabbed browsing can help you make more efficient use of the textbook, watch the movie Tabbed Browsing.

Prealgebra Textbook Errata

A list of errors for the 2012-2013 version of the Prealgebra textbook can be viewed on the textbook site at:

Online Practice and Testing in Mathematics (OPTIMATH)

OPTIMATH is our locally-developed online practice and testing system. The portal for OPTIMATH is:

There are numerous resources to assist students and instructors.

Further Resources

Here is a list of further resources to help student successfully complete the course.

Important Links

Math 276 Home Pages