National Council of Teachers of Mathematics
The Math Forum: Geometer's Sketch Pad Lessons
This site contains lessons using Geometer's Sketch Pad for elementary and middle school aged students.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: "N^0"
"Why is any number raised to the zero power equal to one?" A good question and an even better answer
National Council of Teachers of Mathematics
The Math Forum: Imaginary Exponents and Euler's Equation
"What does it mean to have an imaginary exponent?" This site has an exceptional answer and explains it in two different ways
National Council of Teachers of Mathematics
The Math Forum: Ellipsoid, Torus, Spherical Polygon Formulas
Curious as to what an ellipsoid is? Dr. Math provides a picture and a brief description. This site also has information pertaining to a torus, and spherical polygon.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Volume of an Ellipsoid
Dr. Math, in a reply to a student question, discusses how to calculate the volume of an ellipsoid.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: First Principle Hyperbolas
Dr. Math, in a reply to a student question, shows how to solve for the standard equation of a hyperbola.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Volume Equations for a Sphere and Pyramid
This site uses calculus to explain how the formulas for finding the volume of a sphere and a pyramid were derived.
National Council of Teachers of Mathematics
The Math Forum: Geometer's Sketch Pad: An Introductory Lesson
This site is a five part tutorial to get started using Geometer's Sketch Pad. The tutorial goes through things such as setting up to install GSP, the tool box, other functions, graphing,and more.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Parabola Equation
Dr. Math, in a reply to a student's question, describes how to obtain the equation of a parabola.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Graphing Parabolas
Dr. Math helps a student with the plotting and with finding the vertex and line of symmetry of a parabola.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Parabola
Dr. Math, in a reply to a student's question, explains how to find the location of the vertex and focus, calculate the distance between the focus and vertex, as well as identify the axis of symmetry and the directix.
National Council of Teachers of Mathematics
The Math Forum: Golden Ratio, Fibonacci Sequence Faq
This site contains questions and answers regarding the Golden Ration and how the Fibonacci numbers relate to the ratio of lengths of golden rectangles. Related links are available at the end of the site.
National Council of Teachers of Mathematics
The Math Forum: Algebra Problem of the Week
This Math Forum resource poses a weekly problem to students. If desired, students may submit their answers. Solutions are published the next week.
National Council of Teachers of Mathematics
The Math Forum: The Beginnings of Topology Leonard Euler
This site gives a general description of one of Euler's contributions, topology. It also presents one of the more famous problems of mathematics, The Bridges of Konigsberg.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Constructing an Ellipse
Dr. Math, in a reply to a student question, mentions how you can construct an ellipse using string and thumbtacks.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Deriving the Hyperbola Formula
Dr. Math tackles a question about deriving the formula for a hyperbola posed by a student.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Calculating Surface Area of an Ellipsoid
Dr. Math, in a reply to a student question, discusses how to calculate the surface area of an ellipsoid.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Volume of Cube, Tent
This is a question/response site with the topic of volume. A student asks for help finding the volume of a tent, a cube, and other regularly dimensioned objects.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Polyhedra Classification
This question and answer site provides a lot of basic information about polyhedra. The five regular polyhedra, "The Platonic Solids," are described.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Surface Area and Volume:prisms
This site from the Drexel University is a detailed explanation of area and volume for those who have trouble with the concept and need an explanation of how they are related and their differences, and other basic concepts for a clear...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Distance From a Point to a Plane
Use this site to findout how to find the distance from a point to a plane.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math Alternate Exterior Angles
Dr. Math at the Math Forum offers a way of remembering alternate exterior and alternate interior angles by looking at the words and realize what they say and apply it to the picture.
National Council of Teachers of Mathematics
The Math Forum: How Do You Find Prime Numbers?
This site explains prime number theory and how to find prime numbers.
National Council of Teachers of Mathematics
The Math Forum: Equivalent Expressions and Equations
Dr. Math at the Math Forum explains the difference between equivalent expressions and equivalent equations.