In this series of studies, successful teaching practices in mathematics were identified through naturalistic study and an in-service program and model mathematics lesson developed. The in-service training, tested with 40 volunteer teachers in an urban school district, was effective in increasing student mathematics achievement. (SJL)

Although research has confirmed block scheduling's nonacademic benefits, effects on academic achievement are mixed. Teachers do not always replace lecturing with more effective participatory teaching methods. To work best under an intensive or alternating block schedule, schools should adapt the math curriculum to reduce course redundancy and…