Seems like can't open the attachment. So here are those links
LINKS TO MATHEMATICS
Introduction to Mathematics and Algebra. http://tpub.com/math1/index.htm
Basic Arithmetic Skills. Interactive Endless Examples and Exercises. Perfect your addition skills with these endless exercises. Add columns of whole numbers and see how well you can handle carrying operations. http://www.free-ed.net/fr07/lfc/arithmetic/Basic%20Exercises.asp
Fraction Skills and Drills. Interactive Endless Examples and Exercises. You've learned the basics from your class or a book, and now it is time to perfect your basic fraction skills. http://www.free-ed.net/fr07/lfc/arithmetic/Fraction%20Drills.asp
Pre-Algebra. Brush up on your arithmetic, and get ready for algebra. Here is a complete course that deals with the elements of arithmetic that are required for starting your first studies in algebra and beyond. http://www.free-ed.net/fr07/lfc/course070101_01/
Arithmetic & Pre-Algebra. Includes:
Basic Studies in Pre-Algebra - This interactive program is suitable for students of GED prep and junior-high level homeschoolers. It is also a great place for "mathematically challenged" adults to begin building confidence and competence.
Number and Operations - The course covers the real number system, place value, the behavior of zero and infinity, meanings and models of basic operations, percentages, and modeling operations with fractions, often with the aid of concrete, physical models that enhance understanding. It also examines Basic Number Theory topics, such as factors and multiples, as well as divisibility tests, at both practical and abstract levels.
Understanding Algebra* - This is James Brennan's popular online algebra text. It is tried and tested, and found to be consistent and reliable.
S.O.S Mathematics: Algebra* - This is an excellent, no-nonsense summary of the principles of algebra.
Video Lectures in Algebra - Here is a thorough treatment of advanced-placement (AP) and college-level algebra. You will find 26 half-hour video lessons produce by Annenberg/CPB. Requires a free, one-time registration. http://www.free-ed.net/free-ed/Math/
PBS Teacher Source. Lesson plans and activities by selecting a grade range and topic http://www.pbs.org/teachersource/math.htm
The Platonic Realms Interactive Mathematics Encyclopedia (PRIME) encyclopedia http://www.mathacademy.com/pr/prime/index.asp
Algebrahelp.com is a collection of tools created to assist students and teachers of algebra. http://www.algebrahelp.com/index.jsp
General Conversion Factor - http://www.ceramics.com/cvmass.html
Conversion Calculator http://www.worldwidemetric.com/metcal.htm
Calculators Index http://members.aol.com/algbrahlp/calcs.htm
Welcome to Webmath! Are you stuck on a math problem? We'd like to help you solve it. Excellent web site from A to Z. (Hint – Start with clicking on tab titled “General Math”.) http://www.webmath.com/
Lots of practices at http://www.math.com/homeworkhelp/BasicMath.html
http://www.math.com/