This site has eleven interactive problems dealing with Direct Variation. Allows you to answer in multiple choice format and gives an explanation for the correct answer.

Examples for using the midpoint formula are given at this site.

This site provides a short definition of Kirchoff's First Law as well as illustrations & animations that show how the law works.

This site offers a short discussion of transformations. The discussion has few pictures and expresses the transformations in terms of relative coordinates rather than pictures.

This site gives a few tips when using a compass for the optimal drawing techniques.

What are the common errors made when students take measurements and how can they be avoided? A good deal of vocabulary associated with measurement errors is explained. Tips are provided for the student and the teacher in hopes of...

At this site from Oswego City School District, students are shown the basic laws which govern simplifying positive, negative, and zero exponents. Examples are provided during the explanations, and then practice problems (and their...

Your students are part of the Yellowstone National Park rescue team which has just been dispatched to help located a downed plane. How can they effectively use the Law of Sines and the Law of Cosines to assist them in finding the plane?...

Very basic definitions of mathematical relations and functions can be found here. The single example provided shows a relation which is not a function and explains what makes it so.

This step-by-step demonstration teaches students to construct a line parallel to another through a given point.

Learn what a conjunction is and why it is important to know what a conjunction is when using logic to solve mathematical problems. This website includes examples of the conjunction "and" used in mathematical sentences and a "truth table."

What is a "Disjunction"? What does "or" mean? This website answers these questions and provides examples of disjunctions used in mathematical sentences and problems.

Students studying logic, who already know what conditionals are and how to solve them, are ready to work with biconditionals. This website provides a definition of "Biconditional," and includes examples of biconditionals that are "Used...

Test your logic and knowledge of conditionals, biconditionals, negations, conjunctions, and disjunctions in this twelve-question quiz. Answer each question on your own, then see what the answer and the reasoning behind the answer are.

Several exercises are given to practice evaluating expressions. Answers are provided for students to check their work.

Learn what happens when two or more transformation are combined. You get a composition of transformations, and this resource offers a definition, example notation, and information on renaming a composition.

A complete review of linear inequalities interval notation, and compound inequalities. Several applications of the compound inequalities are given along with solutions and explanations. Links to sites assisting with graphing calculator...

A teacher-compiled site for students taking the high school Regents Examination in New York. Site offers exam preparation materials for nine world religions--animism, Buddhism, Christianity, Confucianism, Hinduism, Islam, Judaism,...

[Free Registration/Login Required] This flipchart demonstrates how the use of Activotes, in combination with ad hoc questions or pre-prepared questions entered into Activstudio's Question Master, can help teachers assess their students'...

Add and subtract rational expressions like a pro after you use this site. Finding common denominators is made easy with this tutorial. Try the example problems to test your knowledge, then check the solutions. The 'Topic Index' page...

Use this site to learn how to simplify rational expressions when multiplication is required. You can practice what you have learned using the problems provided.

Here is a partial list of theorems, postulates, and properties.

How can trigonometry be used to find the area of a triangle or parallelogram? Does the triangle need to be a right triangle, and how accurate can the results possibly be? The answers to these questions are found here along with several...

This site contains great information on adding and subtracting complex numbers. Several examples are given, along with a brief definition. Includes link to a graphing calculator tutorial.