San Francisco Symphony
The 20% of Beethoven
Compare Beethoven's fifth symphony to latin music and disco. Learners will listen to and discuss the elements found in the first part of Beethoven's composition. They'll then look for the same elements in Tito Puente and Bee Gees songs....
Education Development Center
Tune in to Learning: What's a Fraction
Use this interactive lesson to learn about fractions. You will find equivalent fractions, compare fractions, and more. Immediate feedback is given to your answers. Links to related videos.
Yale University
Solving Problems by the Hundreds
This site contains a study of percentage and its applications in the study of consumer related problems. Problems involving sales tax are included. Examples, explanation, solutions and a bibliography are also included in the site.