Chapter 4 - Ratios, Proportions & Rational Equations

Ratios and Proportions explore the concepts of scale models, the basic understanding of random questionaires, and sample spaces to model data in the realy world. Most of the problems deal with word problems, A majority of students have a difficult time understanding exactly how to set up a problem and what numbers and information is important.

Solve proportions that include algebraic 1st degree expression
Solve real world problems involving rates of change
Setup ratios and proportions equations from real world problems.
Conversions of units. For example, converting feet to inches, miles per minure to miles per hours, and so forth.
Inverse Operations of Multiplication and Division

Text 4.1 (PDF) 41-46 all
Text 4.2 (PDF) 17-29 all

Downloading MS Word Worksheets and Adobe Portable Documents

The Microsoft Word Worksheets are downloadable and printable. Please save them to your computer's hard drive, then print them. Some documents may be created with Office 2007 or Office 2003. Word 2003 documents have the "doc" extension. Word Documents 2007 have the "docx" extension. If you do not have Office 2007 you will need to download the Microsoft 2007 Compatablility Pack. See the link to the left.

Adobe Reader is needed to open and pring the PDF worksheets.

Last Update: November 30, 2009