Music Theory
Music theory.net
An online beginning music theory and ear training site. This site is for students to use at home to reinforce what they learn in class.
Math Is Fun
Math Is Fun: Metric Length
The different units used to measure metric length are described, with comparisons to real world objects. A wonderful number line also shows the relative sizes of things all the way from a quark to the universe in powers of ten.
University of Cambridge
University of Cambridge: Nrich: Watching the Wheels Go `Round and `Round
Use the formula for the circumference of a circle to solve the challenge of this problem. The solution is available at this one page website.
Cool Fire Technology
Customary & Metric Systems of Measurement Area Measure
Scroll down to the bottom of the page to view a table which lists measurement conversions for area.
Math2
Math2.org: Weights and Measures
This resource provides information on weights and measures, including unit conversion tables.