National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Navajo Burntwater Designs
Simple lesson designed to help students learn the geometric concepts of translation, reflection, and symmetry by creating Navajo weaving patterns. Includes templates and instructions and is available in English and Spanish....
National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Srinivasa's Spheres
Straightforward instructional activity that introduces young scholars to pi by letting them measure real objects and solve a challenge problem. Includes instructions and a "Data Sheet" for keeping track of measurements. Available in...
National Council of Teachers of Mathematics
The Math Forum: Suzanne Alejandre: Factor Lesson
Students will discover factoring through the area of a rectangle.
National Council of Teachers of Mathematics
The Math Forum: Greatest Integer Function
A short tutorial from the Math Forum on the greatest integer function. The site includes an on-line practice set.
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry Formulas, Hyperbolas
At this site from the Math Forum, a brief overview on calculating various measures of segments, like the transverse and conjugate axes and the distance between foci, is given. Additionally, equations of hyperbolas in general, standard,...
National Council of Teachers of Mathematics
The Math Forum: Parabolas
A brief overview on calculating various measures of segments, like focus to vertex and vertex to directix, is given. Additionally, equations of parabolas in general, standard, and vertex forms are listed.
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry Formulas, Ellipses
A brief overview from the Math Forum on calculating various measures of segments, like major and minor axes and distance from focus to center, is given. Additionally, equations of ellipse in general and standard forms are listed.
National Council of Teachers of Mathematics
The Math Forum: Circles
Various forms of equations of circles are presented at the Math Forum: center-radius form, general form, diameter form, three-point form, and parametric form.
National Council of Teachers of Mathematics
The Math Forum: Types of Degernate Conics
Dr. Math, in response to a student question, provides insight into degenerate cases of conic sections.
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: Conic Sections/circles
This site provides a catalog of Web sites and Web pages that deal with circles.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Interest: Definitions
This site gives an explanation of compound interest and explains how to use it.
National Council of Teachers of Mathematics
The Math Forum: Finding a Term of an Arithmetic Series
This site from the Math Forum contains a common question asked by students learning about arithmetic series which is answered by Dr. Math in a format that is understandable for all ages.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Geometric Sequence?
This site, set up as a question format to ask Dr. Math, concerns itself with the fundamentals and basics of geometric progression.
National Council of Teachers of Mathematics
The Math Forum: Bricks Activity: A Variation on Polynominoes
An activity similar to polynominoes to complement a study in geometry.
National Council of Teachers of Mathematics
The Math Forum: Increasing Wall Area
This site presents a problem at a museum that has one large square gallery. The director wants to divide this room down the middle into four smaller square rooms.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Volume of a Cylindrical Tank
This question and answer site involves calculating the volume of a cylindrical tank that is on its side.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: What Is a Regression Line?
This page is an answer to an email question that someone wrote in and it explains what a regression line is.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Radical Equation
Site gives an example of solving radical equations.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Equations With Absolute Value
Dr. Math explains how to solve equations with absolute values using an example a student posed for the Doctor to solve.
National Council of Teachers of Mathematics
The Math Forum: Oblique Drawing
This Web site provides an explanation for what oblique drawings are. Compares oblique drawings to isometric drawings.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving a Logarithmic Inequality
"Dr. Math" from Drexel University responds to a student question about solving a logarithmic inequality.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving Inequalities W/ Absolute Values
In responding to a student question on how to solve absolute value inequalities, "Dr. Math" explains why it is necessary to solve two inequalities.