Describes a Long Island, New York, school district's staff development project designed to improve student learning and thinking strategies by applying interactive and constructive learning theory. The three-year project focused on bettering reading instruction across the curriculum and used teacher-selected materials and demonstration lessons to…

Outlines two mathematics teaching strategies: the exploration/discovery approach to mathematical concepts, and the use of pair group problem-solving. These require teachers to shift from the traditional role of lecture/demonstrator to a role demanding new skills in planning and facilitating student work. Includes 10 references. (MD)