Here is a site that clearly and thoroughly explains many topics regarding measurement of angles, including standard position, degree measure, and coterminal angles. There are example problems solved, problems for the student to attempt,...

A series of step-by-step worked problems demonstrating how to take a set of data and produce the variance and standard. Hints are provided along the way and the final measures are shown for the user to check.

Home page for a hypertext physics course. Users can access subjects ranging from the sound wave parameters that effect hearing and communication to OSHA worplace standards.

This site looks at measures of central tendency and dispersion. Discussed are topics such as standard deviation, mean, median, and mode.

Using the LEGO MINDSTORMS NXT kit, students construct experiments to measure the time it takes a free falling body to travel a specified distance. Students use the touch sensor, rotational sensor, and the NXT brick to measure the time of...

Practice using metric rulers and rulers with inches. Includes helpful feedback when questions are answered incorrectly.

In this task, students explore exponential models in the context of a real-world problem. Students learn about price inflation for a single commodity and are introduced to the Consumer Price Index for measuring the inflation of a body of...