US Department of Education
Helping Your Child Learn Math: Math in the Home
An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....
Other
Maths Zone
A huge collection of math online games for all ages. Access different types of math such as: use and apply, count and understand, addition and subtraction number facts, multiplication and division number facts, shapes, measuring, and...
Center for Innovation in Engineering and Science Education, Stevens Institute of Technology
Ciese Collaborative Projects: Down the Drain: How Much Water Do You Use?
How much water do you use everyday? Find out in this engaging investigation, where you compare your water usage with your classmates and other people around the world. An exploration filled with lots of math and science that students are...
Shodor Education Foundation
Shodor: Deaf Interactivate: Tools (With Text and Asl)
This collection of computational science resources discusses a variety of topics, from fractions to telling time to conducting scientific experiments. Videos provide narration in ASL. Requires Quicktime.
PBS
Pbs Learning Media: Keeping Track of the New York City Marathoners
In this video segment from Cyberchase, Bianca figures out a way to count the thousands of runners in the New York City Marathon.
Teachnology
Teachnology: Teacher Guide to Probability and Statistics
Statistics Theme provides a collection of free sample worksheets, teacher resources, lesson plans and interactive media for grades k-12.