Prealgebra Support
for Barry Sovel's courses at Petaluma Junior High School, Petaluma, CA
If you have a question, or feedback, you may contact me by sending a note to Barry Sovel. This page was last updated on 17 January 2003
Thank you for all your
support this past year







those who can count and those who cannot. 





Support links:









General information
Order of Operations
Properties of Real Numbers
 Definitions and examples
 Ask Dr. Math: the Distributive Property
 Ask Dr. Math: properties of real numbers
 Ask Dr. Math: homework examples
 Ask Dr. Math: more homework examples
Adding and Subtracting Positive and Negative Integers
 Ask Dr. Math: definitions of whole numbers, integers, etc.
 Ask Dr. Math: adding a negative value
 Ask Dr. Math: subtracting a negative value
 Ask Dr. Math: subtracting a negative using a number line
 Ask Dr. Math: tricks to working with + and  integers
 Practice #1 problems and solutions for chapter 2: lessons 1  4
Multiplying and dividing positive and negative numbers
 Some demonstrations
 Practice #2: problems and solutions for chapter 2: lessons 5  8
 More Chapter 2 Exam Review Sheet
Building and Understanding Kites
 Exeter Kite Central
 From the United Kingdom, a wonderful set of sites related to kites. In particular, hit the link labeled projects and try out the Sled Kite project.
 Kite Flier's Site
 Kites: histories, events and detailed instructionsa very comprehensive set of kite related links.
 The Tetrahedral Kite Site
 This is a wonderful for the histroy of Tetrahedral Kites first developed by Alexander Graham Bell. It also includes several simple designs and instruction sets for construction, including one made from drinking straws.
Pi
 Pi_through_the_ages
Ask Dr. Math about those frequently asked questions about Pi.
 Some fun Pi Facts
Games, jokes, new information and definitions
 Pi picture
Just a cute graphic of pi for a color printer.
 The Joy of Pi [ the book]
All kinds of facts, figures and links.
 Fun With Numbers
Find fun and crazy links to Pi, the powers of 2, factorials and Buckminster Fuller. Great for math teachers who want to creat their own classroom posters.
 Mr. Sovel's Pi Activity Worksheet and Pi spreadsheets
Ratio, Proportion and Percent
Two step Equations
 worksheets
First Grading Period: Lesson Plan and Objectives [a work in progress]



If you have a question, or feedback, you may contact me by sending
a note to ateacher@attbi.com