The mathematics tutorial investigates the normal distribution. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity that examines the normal...

Definitions are provided line of symmetry, line symmetry, and plane symmetry, and several nice examples are provided that illustrate these definitions.

This site gives information on solving linear equations and offers practice problems, a thorough lesson, and teacher resources.

Test your knowledge of the number properties. This challenging practice really puts you to the test. Assessment covers all number theory properties: associative, commutative, distributive, inverse, and identity.

How well do you know your number properties? Take this quiz and find out what you know or what you don't know. Immediate feedback. Check your answer right online.

A collection of activities that help students understand number relationships by using Venn diagrams to solve math problems. Practice problem solving skills in the interactive practice. Then, follow up with a classroom activity using the...

A lesson focusing on the area of polygons and the circumference of circles. Engaging, interactive practice worksheet, lesson plan, and related classroom activity complete this lesson.

This site shows you how to multiply a binomial and a trinomial using the vertical and horizontal methods. You can also see the steps necessary to cube a binomial.

Use this site to learn how to simplify radicals, even when the radical is not a perfect square. These examples will be a guide to you in simplifying all kinds of radicals.

At this site from the Oswego City School District, you can learn how to simplify fraction (rational expression) that contain monomials or higher degree polynomials. Reducing fractions is made easier with help from this page.

What is "Logic"? What is a "Mathematical sentence"? This website provides definitions of both of these terms and defines examples of mathematical sentences ("open sentence" and "closed sentence") and provides examples of each. Use the...

Students will get help translating sentences into algebraic expressions. A practice page is included, and the teacher resource page includes guidelines for a Bingo game.

An interesting technique is used for student viewers to learn about quadrilaterals. A viewer can meet the quadrilateral family by clicking on a link and characters will introduce themselves and tell you about their distinguishing...

Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.

This chart gives the definition of each Real Number Property with an example excellent for reference or review. Site by Oswego City School District.

This site gives a very clear discussion on the topic of closure of sets over an operation with many examples.

Fractions containing variables can challenge students--and for teachers to teach. Here are explanations of what algebraic fractions are, how they might be simplified, how they are multiplied, divided, added, and subtracted.

Oswego City School District provides the rules for working with fractional (rational) exponents.

A thorough look at radical equations and how to solve them, including examples of several of the trickier types of problems and several of the common mistakes students make while solving them. Two interactive quizzes are provided for the...

Find out the general form for two column proofs, flow proofs, and paragraph proofs here. The site is very brief and discusses each type of proof using the same example.

This step-by-step tutorial teaches students how to construct a bisector of a segment and the bisector of an angle.

This site provides a step-by-step method to construct congruent segments and angles with a straight edge and compass.

This step-by-step method teaches students to construct a perpendicular to a line through a point on--or off--the initial line using compass and straight edge.

This intuitive explanation shows how to determine if an object has point symmetry. The site offers examples of objects with point symmetry.