National Council of Teachers of Mathematics
The Math Forum: Using Geoboards in the Classroom
A thorough look at the extensive uses of geoboards in the classroom. Links are listed which give introductory information on geoboards - for teachers new to using them. Then, lesson plans are provided for using geoboards in teaching...
National Council of Teachers of Mathematics
The Math Forum: Data Collecting in the Classroom
A list of two dozen questions students can easily ask eachother in the classroom to quickly collect data in hopes of using it in their study of making graphs. Some are opinion questions, while others require the counting of certain items...
National Council of Teachers of Mathematics
The Math Forum: Data Collecting Project Stats Class
This lesson plan provides the teacher with all the necessary handouts and directions to give a statistics class when they are ready to complete a thorough survey project. Broken into five parts, it takes the students through the...
National Council of Teachers of Mathematics
The Math Forum: Measuring Distances Triangulation
Lesson plan which details how to have students determine the distance to an object by sighting it from two different locations and knowing the distance between these locations. As an advanced alternative, trigonometry can be used to...
National Council of Teachers of Mathematics
The Math Forum: Growth Creature Lab Data Collecting
Lesson plan completely explains how students will collect data on the growth of an "alligator" and determine the relationship of the growth data to the Fundamental Theorem of Similarity and to topics in geometry in general. All of the...
National Council of Teachers of Mathematics
The Math Forum: Classic Problems From the Dr. Math Archives
Several classics in the world of math are demonstrated on this Math Forum site. Clear explanations are given for each problem and links are included for extensions.
National Council of Teachers of Mathematics
The Math Forum: Building a Pyramid
This Math Forum lesson gives instructions on how to build a paper pyramid. Bonuses included finding the surface area and volume of the pyramid.
National Council of Teachers of Mathematics
The Math Forum: What Is a Tessellation?
The Math Forum defines and illustrates geometric tessellation.
National Council of Teachers of Mathematics
The Math Forum: Exploring Parabolas
A lesson plan using the computers to help students understand the various forms of equations of parabola. The site requires students to use the computer and offers a possible assessment of the lesson plan.
National Council of Teachers of Mathematics
The Math Forum: Pascal's Triangle
You will find the triangular numbers in Pascal's triangle.
National Council of Teachers of Mathematics
The Math Forum: Suzanne Alejandre: Pirate Diamond Activity
An interesting small-group activity that will engage students in problem solving, reasoning, and communicating their mathematical thoughts with eachother. The materials needed for the project and the steps the teacher should assist the...
National Council of Teachers of Mathematics
The Math Forum: Archive of Cabri Resources
This Math Forum site is a page that is linked to Cabri sites. Cabri is a geometry software package. The sites include lesson plans, lessons, and more.
National Council of Teachers of Mathematics
The Math Forum: Paper Folding Activity
This is a lesson plan of paper folding as a method of proof. A Java applet version of the activity can be accessed, giving the actual lengths and angle sizes.
National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Sonya's Symmetry
Straightforward lesson designed to introduce students to symmetry and reflection using MIRA mirrors. Includes two worksheets--instructions and activities are available in English and Spanish.
National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Navajo Burntwater Designs
Simple instructional activity 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...
National Council of Teachers of Mathematics
The Math Forum: Multicultural Math Fair: Srinivasa's Spheres
Straightforward lesson that introduces learners 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 English and Spanish.
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.