New Hampshire high-school social studies teacher Nick Audley has his students use their own cellphones in class to text answers using the Web-based program, Poll Everywhere. He also has students text answers to open-ended questions. "It becomes a running blog as we're discussing a topic," Audley said. Such activities highlight innovative classroom strategies that engage students, produce valuable instant feedback for teachers and can be implemented at little or no cost to schools, educators say.

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