Twelfth graders use a web site to investigate roller coaster physics. In this mathematical modeling lesson, 12th graders are grouped according to their performance on a test. Each group is given an activity to complete on a web site...

First graders practice rereading selected passages to improve their reading fluency. Working in pairs, 1st graders read and reread decodable, leveled passages. They create a tape recording of their reading to assess their fluency and use...