National Council of Teachers of Mathematics
The Math Forum: Fractions in Everyday Life, a Recipe
Math Forum offers this exciting lesson to help students with multiplying and dividing fractions through a recipe made in the classroom.
National Council of Teachers of Mathematics
The Math Forum: Pascal's Triangle and the Ice Cream Cones
Dr. Math explains how Pascal's triangle can be used to determine the possible combinations of ice cream cones that can be made with different numbers of flavors. His response also includes an explanation using combination functions.
National Council of Teachers of Mathematics
The Math Forum: Teacher 2 Teacher
This site allows users to search or browse the archives of discussions, ask a question, and discuss math education with colleagues in the Teachers' Lounge. This site has numerous inputs to all types of math education related insights.
National Council of Teachers of Mathematics
The Math Forum: Math Camps & Summer Programs
Math forum offers a list of camps and summer programs for the mathematically talented and interested in studying mathematics over the summer.
National Council of Teachers of Mathematics
The Math Forum: Math Ideas for Science Fair Projects
Math Forum provides a list of possible math science fair topics with links to each topic to get an idea of what will be studied and suggested questions to answer. This site also contains links to teacher discussions on Math Fairs.
National Council of Teachers of Mathematics
The Math Forum: Crystals: Crystallography & Systems
This is an exploration of polyhedron and may be used as a lesson plan. The site contains links to various crystals that are formed as polyhedron, and links to creating your own paper polyhedron. Other exciting related links on polyhedral...
National Council of Teachers of Mathematics
The Math Forum: Math Magic
Comprehensive site of MS Word files that are easy to download which increase problem solving skills using technology in the classroom.
National Council of Teachers of Mathematics
The Math Forum: Math Magic
Comprehensive site of MS Word files that are easy to download which increase problem solving skills using technology in the classroom.
National Council of Teachers of Mathematics
The Math Forum: Exploring Pascal's Triangle
Contains lessons and activities on Pascal's Triangle at three levels: elementary, intermediate, and advanced.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Uses of Conics
Wondering who uses conics and where they occur in our lives? Dr. Math provides some answers to how math concepts involving conic sections, perabolas, hyperbolas, and ellipses are applied practically.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: The Origins of Conic Sections
Dr. Math, in reply to a student question, gives background information on the origin of conic sections. Links also are included for further information.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rationalizing the Denominator
Tells how to rationalize the denominator when the radical has an odd index.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Applying the Definition of a Parabola
Dr. Math responds to a student question about parabolas. The student asks a series of questions about a parabola, including how to derive the formula of a parabola from the definition, a parabola is the set of all point equal distance...
National Council of Teachers of Mathematics
The Math Forum: Math World Interactive
MathWorld Interactive "Is a FREE project where students in grades 6 to 8 from around the world work on open-ended problems." Go to the Frequently Asked Questions section for an easy introduction.
National Council of Teachers of Mathematics
Nctm: Illuminations: Diagonals to Quadrilaterals Ii
This resource explores the bisectors of quadrilaterals. The interactive tool allows learners to draw quadrilaterals with perpendicular bisectors, congruent perpendicular bisectors, and congruent bisectors.
National Council of Teachers of Mathematics
Nctm: Illuminations: Diagonals to Quadrilaterals I
This resource explores the diagonals of quadrilaterals. The interactive tool allows learners to examine intersecting line segments in a variety of ways. Topics discussed are perpendicular diagonals, congruent diagonals, and bisected...
National Council of Teachers of Mathematics
The Math Forum: Find the Area of the Shape!
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Ellipse or Circle? Parametric Equation
Dr. Math, in reply to a student question, shows how a specific pair of parametric equations produces a circle as opposed to an ellipse.
National Council of Teachers of Mathematics
Ntcm: Math Challenge: Perplexing Percentages
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
National Council of Teachers of Mathematics
Nctm: Figure This: Thirteen? Oh No! (Pdf)
If you're superstitious you may want to try this math challenge. Test your reasoning and number sense skills by finding out if there is a Friday the 13th every year. Discover how understanding number patterns and reasoning can be helpful...
National Council of Teachers of Mathematics
Nctm: Figure This: Double or Not
Is "time money"? See if you can figure out exactly how much your time is worth. Explore the concepts of number patterns, time, and money in this one-page activity from the NCTM Math Challenge for Families series. Find out why mastering...
National Council of Teachers of Mathematics
Nctm: Figure This: Upside Down (Pdf)
What lowercase letters read the same both upside down and right side up? If you have the answer, then you can handle this geometric symmetry math challenge. A one-page activity from the NTCM Math Challenge for Families collection....
National Council of Teachers of Mathematics
Nctm: Figure This: Don't Fall In
Have you ever wondered why manhole covers are round? Believe it or not, there is a logical, mathematical reason. See if you can figure it out in this NCTM Math Challenge for Families activity. A one-page activity with suggested life...
National Council of Teachers of Mathematics
Nctm: Figure This: Popcorn (Pdf)
If you're a popcorn lover, you might want to take this math challenge. A real-world challenge on visually estimating volume of popcorn containers. A one page activity from the NCTM Math for Families collection. Life skill applications...